Vitenskapelig artikkel

• P Kristensen; Aa Andersen; Lorentz Irgens (2000). Hormone-dependent cancer and adverse reproductive outcomes in farmers' families: Effects of climate conditions favoring fungal growth in grain. (ekstern lenke)
• Grace M Egeland; Rolv Skjærven; Lorentz Irgens (2000). Birth characteristics of women who develop gestational diabetes: population based study. (ekstern lenke)
• Miriam Kristine Sandvik; Bjarne Magnus Iversen; Lorentz M. Irgens et al. (2010). Are adverse pregnancy outcomes risk factors for development of end-stage renal disease in women with diabetes?. (ekstern lenke)
• Petter Kristensen; Lorentz Irgens; Tor Bjerkedal (2003). Impact of low birth weight on subsequent fertility: population based register study. (ekstern lenke)
• Kari Klungsøyr Melve; Rolv Skjaerven; Svein Rasmussen et al. (2010). Recurrence of stillbirth in sibships: population-based cohort study. (ekstern lenke)
• Lorentz Irgens (2007). Registerbasert epidemiologisk forskning og forvaltning – et resultat av tilfeldighetenes spill eller en uunngåelig historisk utvikling? Medisinsk fødselsregister gjennom 40 år. (ekstern lenke)
• Lorentz Irgens (2000). Infeksjon og svangerskapsutfall, datagjenbruk og datakobling. (ekstern lenke)
• Dag Moster; Rolv Terje Lie; Lorentz Irgens et al. (2001). The association of Apgar score with subsequent death and cerebral palsy; A population based study in term infants. (ekstern lenke)
• Johan F. Skomsvoll; Monika Østensen; Valborg Baste et al. (2001). Number of births, interpregnancy interval and subsequent pregnancy rate after a diagnosis of inflammatory rheumatic disease in Norwegian women. (ekstern lenke)
• Lorentz Irgens (2002). Oppdagelsen av leprabasillen. (ekstern lenke)
• Vibecke Høgberg; Svein Arvid Rasmussen; Lorentz M Irgens (2007). The effect of smoking and hypertensive disorders on abruptio placentae in Norway 1999-2002. (ekstern lenke)
• Petter Kristensen; Tor Bjerkedal; Lorentz Irgens (2004). Birthweight and work participation in adulthood. (ekstern lenke)
• RG Carpenter; Lorentz Irgens; P Blair et al. (2004). Sudden unexplained infant death in 20 regions in Europe: case control study. (ekstern lenke)
• Olga Basso; Svein Arvid Rasmussen; Clarice R Weinberg et al. (2006). Trends in fetal and infant survival following preeclampsia. (ekstern lenke)
• B Alm; G. Wennergen; SG Norvenius et al. (2003). Vitamin A and sudden infant death syndrome in Scandinavia 1992-1995. (ekstern lenke)
• L Trogstad; Camilla Stoltenberg; Per Magnus et al. (2005). Recurrence risk in hyperemesis gravidarum. (ekstern lenke)
• Stein Emil Vollset; H Refsum; Lorentz Irgens et al. (2000). Plasma total homocysteine, pregnancy complications, and adverse pregnancy outcomes: the Hordaland Homocysteine study. (ekstern lenke)
• Jørn Olsen; Andrew Czeizel; Henrik Toft Sørensen et al. (2002). How do we best detect toxic effects of drugs taken during pregnancy?. (ekstern lenke)
• Lorentz Irgens (2001). Challenges to registry-based epidemiology in post-modernistic civilization. (ekstern lenke)
• Lars Christian Stene; Ingvild Eidem; Siri Vangen et al. (2007). The validity of the diabetes mellitus diagnosis in the Medical Birth Registry of Norway. (ekstern lenke)
• P. Kristensen; A. Andersen; Lorentz Irgens et al. (1997). Birth defects in offspring of Norwegian farmers, 1967-1991. (ekstern lenke)
• Lorentz Irgens (1997). Medisinsk fødselsregister, en hjørnesten i norsk epidemiologi. (ekstern lenke)
• Susanna Albrechtsen; Svein Rasmussen; H. Reigstad et al. (1997). Evaluation of a protocol for selecting fetuses in breech presentation for vaginal delivery or cesarean section. (ekstern lenke)
• P. Kristensen; Lorentz Irgens; T. Bjerkedal (1997). Environmental factors, reproductive history and selective fertility in farmers' sibships. (ekstern lenke)
• Anne Kjersti Daltveit; Stein Emil Vollset; P. O. Olaussen et al. (1997). Infant mortality in Norway and Sweden 1975-88: a cause specific analysis of an increasing difference. (ekstern lenke)
• Anne Kjersti Nesje Daltveit; Mette Christophersen Tollånes; Hege Pihlstrøm et al. (2008). Cesarean delivery and subsequent pregnancies. (ekstern lenke)
• Marianne Wallenius; Johan Fredrik Skomsvoll; Lorentz M Irgens et al. (2010). Postpartum onset of rheumatoid arthritis and other chronic arthritides: results from a patient register linked to a medical birth registry. (ekstern lenke)
• Rolv Skjaerven; Allen J Wilcox; Kari Klungsøyr Melve et al. (2012). Cardiovascular mortality after pre-eclampsia in one child mothers: prospective, population based cohort study. (ekstern lenke)
• Hans Magne Ulrik Gravseth; Tor Bjerkedal; Lorentz M Irgens et al. (2007). Life course determinants for early disability pension: a follow-up of Norwegian men and women born 1967-1976. (ekstern lenke)
• Petter Kristensen; Lorentz M. Irgens; Aage Andersen et al. (1997). Birth defects in the offspring of Norwegian farmers, 1967-1991. (ekstern lenke)
• Kristin Melheim Strand; Runa Kristine Heimstad; Ann-Charlotte Iversen et al. (2013). Mediators of the association between pre-eclampsia and cerebral palsy: population based cohort study. (ekstern lenke)
• Mette Christophersen Tollånes; John M.D. Thompson; Anne Kjersti Daltveit et al. (2007). Cesarean section and maternal education; secular trends in Norway, 1967-2004. (ekstern lenke)
• Mette Tollånes; Svein Arvid Rasmussen; Lorentz M Irgens (2008). Caesarean section among relatives. (ekstern lenke)
• Marianne Wallenius; Johan Fredrik Skomsvoll; Lorentz M. Irgens et al. (2011). Fertility in women with chronic inflammatory arthritides. (ekstern lenke)
• Bjørn Egil Vikse; Lorentz M Irgens; Torbjørn Leivestad et al. (2008). Preeclampsia and the risk of end-stage renal disease. (ekstern lenke)
• Ragnhild Bang Nes; Espen Røysamb; Lars Johan Hauge et al. (2014). Adaptation to the birth of a child with a congenital anomaly: A prospective longitudinal study of maternal well-being and psychological distress. (ekstern lenke)
• Emanuele Leoncini; Giovanno Baranello; Iêda M Orioli et al. (2008). Frequency of holoprosencephaly in the International Clearinghouse Birth Defects Surveillance systems: Searching for population variations. (ekstern lenke)
• Per Bergsjø; Lorentz Irgens; Rolv Terje Lie (2000). Registry based perinatal research. (ekstern lenke)
• Bernt Alm; G Wennergren; G Norvenius et al. (1999). Caffeine and alcohol as risk factors for sudden infant death syndrome. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Knut Dalaker (1999). A history of placental dysfunction and risk of placental abruption. (ekstern lenke)
• Elham Baghestan; Lorentz M. Irgens; Per E Børdahl et al. (2013). Familial risk of obstetric anal sphincter injuries: registry-based cohort study. (ekstern lenke)
• Alessandra Lisi; Lorenzo D Botto; Monica Rittler et al. (2005). Sex and Congenital Malformations: An International Perspective. (Erratum in: American Journal of Medical Genetics 2005;134A:463.). (ekstern lenke)
• Marianne Wallenius; Johan Fredrik Skomsvoll; Lorentz M Irgens et al. (2009). Post Partum onset of Rheumatoid Arthritis and other chronic arthritides: Results from a patient register linked to a medical birth registry. (ekstern lenke)
• Anne Marie Oftedal; Kari Busterud; Lorentz M. Irgens et al. (2016). Socio-economic risk factors for preterm birth in Norway 1999-2009. (ekstern lenke)
• Siw-Helen Westby Wold; Kristian Sommerfelt; Hallvard Reigstad et al. (2009). Neonatal mortality and morbidity in extremely preterm small for gestational age infants: a population based study. (ekstern lenke)
• Bjørn Egil Vikse; Lorentz M. Irgens; S. Ananth Karumanchi et al. (2012). Familial Factors in the Association between Preeclampsia and Later ESRD. (ekstern lenke)
• Lorentz M. Irgens (2012). The origin of registry-based medical research and care. (ekstern lenke)
• Hans-Jacob Haga; Clara Gram Gjesdal; Lorentz M Irgens et al. (2005). Reproduction and gynaecological manifestations in women with primary Sjögren’s syndrome: a case-control study. (ekstern lenke)
• C. Stoltenberg; P. Magnus; Rolv Terje Lie et al. (1997). Birth Defects and Parental Consanguinity in Norway. (ekstern lenke)
• G. Wennergren; B. Alm; Nina Øyen et al. (1997). The decline in the incidence of SIDS in Scandinavia and its relation to risk-intervention campaigns. (ekstern lenke)
• L. Botto; M. J. Khoury; P. Mastroiacovo et al. (1997). The spectrum of Congenital Anomalies of the VATER Association: An International Study. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Lorentz Irgens et al. (1998). The occurrence of breech presentation in Norway 1967-1994. (ekstern lenke)
• Susanna Albrechtsen; Svein Rasmussen; Knut Dalaker et al. (1998). Perinatal mortality in Breech Presentation Sibships. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens; Nina Øyen et al. (1998). Sociodemographic risk factors for Sudden Infant Death Syndrome: associations with other risk factors. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• J. F. Skomsvoll; M. Østensen; Lorentz Irgens et al. (1998). Obstetrical and neonatal outcome in patients with rheumatic disease. (ekstern lenke)
• Ågot Irgens; Marit Grønning; Lorentz M. Irgens (2016). Pregnancy outcome in partners of male professional divers in Norway. (ekstern lenke)
• Svein Rasmussen; Lorentz M. Irgens; J Espinoza (2014). Maternal obesity and excess of fetal growth in pre-eclampsia. (ekstern lenke)
• Susanna Albrechtsen; S. Rasmussen; S. Reigstad et al. (1997). Evaluation of a protocol for selecting fetuses in breech presentation for vaginal delivery or cesarean section. (ekstern lenke)
• Henrik U. Irgens; Lars Reisæther; Lorentz Irgens et al. (2001). Long term mortality of mothers and fathers after pre-eclampsia: population based cohort study. (ekstern lenke)
• Å Irgens; Kjell Krüger; AH Skorve et al. (2000). Birth defects and paternal occupational exposure. Hypotheses tested in a record linkage based dataset. (ekstern lenke)
• Per Nafstad; Sven O Samuelsen; Lorentz Irgens et al. (2003). Pregnancy complications and the risk of asthma among Norwegians born between 1967 and 1993. (ekstern lenke)
• Svein Rasmussen; Susanne Albrechtsen; Lorentz Irgens et al. (2003). Unexplained antepartum fetal death in Norway, 1985-97: diagnostic validation and some epidemiological aspects. (ekstern lenke)
• Nan Birgitte Oldereid; Thomas Åbyholm; Tom Tanbo et al. (2003). Medfødte misdannelser hos barn født etter assistert befruktning i Norge. (ekstern lenke)
• Ågot Irgens; Magnar Ulstein; Lorentz Irgens (2001). Reproductive outcome according to semen quality in couples with infertility problems. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Susanne Albrechtsen et al. (2001). Women with a history of placental abruption: When in a subsequent pregnancy should special surveillance for a recurrent placental abruption be initiated?. (ekstern lenke)
• Stein Tore Nilsen; Anne Kjersti Daltveit; Lorentz Irgens (2001). Fødeinstitusjoner og fødsler i Norge i 1990-årene. (ekstern lenke)
• Cathrine Ebbing; Svein Rasmussen; Rolv Skjaerven et al. (2017). Risk factors for recurrence of hypertensive disorders of pregnancy, a population-based cohort study. (ekstern lenke)
• Martha Gunn Eide; Rolv Skjærven; Lorentz Irgens et al. (2006). Associations of birth defects with adult intellectual performance, disability and mortality: Population-based cohort study. (ekstern lenke)
• Ågot Irgens; Lorentz Irgens; Jon B Reitan et al. (2003). Pregnancy outcome among offspring of airline pilots and cabin attendants. (ekstern lenke)
• Lorenzo D Botto; Alessandra Lisi; Carol Bower et al. (2006). Trends of selected malformations in relation to folic acid recommendations and fortification: An international assessment. (ekstern lenke)
• P Bergsjo; Lorentz Irgens; Rolv Terje Lie (2000). Registry based perinatal research. (ekstern lenke)
• Petter Kristensen; Lorentz M Irgens (2000). Maternal reproductive history: a registry based comparison of previous pregnancy data derived from maternal recall and data obtained during the actual pregnancy. (ekstern lenke)
• Martha Gunn Eide; Nina Øyen; Rolv Skjærven et al. (2005). Breech delivery and intelligence: A population-based study of 8,738 breech infants. (ekstern lenke)
• Petter Kristensen; Tor Bjerkedal; Lorentz M Irgens (2006). Early life determinants of musculoskeletal sickness absence in a cohort of Norwegians born in 1967–1976. (ekstern lenke)
• Nina Øyen; Rolv Skjaerven; Lorentz Irgens (1996). Population-based recurrence risk of sudden infant death syndrome (SIDS), compared with other infant and fetal deaths. (ekstern lenke)
• Linn I Trogstad; Camilla Stoltenberg; Per Magnus et al. (2005). Recurrence risk in hyperemesis gravidarum. (ekstern lenke)
• Stein Tore Nilsen; Anne Kjersti Daltveit; Lorentz Irgens (2001). Fødeinstitusjoner og fødsler i Norge i 1990-årene. (ekstern lenke)
• Anne Kjersti Daltveit; Nina Øyen; Rolv Skjærven et al. (1997). The epidemic of SIDS in Norway 1967-93. Changing effects of risk factors. (ekstern lenke)
• Stein Emil Vollset; Håkon K Gjessing; Anne Tandberg et al. (2005). Folate supplementation and twin pregnancies. (ekstern lenke)
• Anne Kjersti Daltveit; Nina Øyen; Rolv Skjærven et al. (1997). The epidemic of SIDS in Norway 1967-93. Changing effects of risk factors. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Knut Dalaker et al. (1997). Continuation and recurrence of breech presentation. (ekstern lenke)
• Thor Bjerkedal; K. Osnes; P. Finne et al. (1997). Overlevelse og sykelighet blant barn med lav fødselsvekt. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Knut Dalaker (1997). The effect on the likelihood of further pregnancy of placental abruption and the rate of its recurrence. (ekstern lenke)
• P. Kristensen; A. Andersen; Lorentz Irgens et al. (1997). Birth defects in offspring of Norwegian farmers, 1967-1991. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; P. Bergsjø et al. (1997). Perinatal mortality and case fatality after placental abruption in Norway 1967-1991. (ekstern lenke)
• M. K. Campbell; T. Østbye; Lorentz Irgens (1997). Post-term birth: Risk factors and outcomes in a 10 year cohort of Norwegian births. (ekstern lenke)
• Å. Irgens; Kjell Krüger; A. H. Skorve et al. (1997). Medfødte misdannelser og fars yrkesposisjon: Hypoteser basert på funn fra tidligere studier etterprøvet i et norsk registermateriale. (ekstern lenke)
• Nina Øyen; B. Haglund; R. Skjærven et al. (1997). Maternal smoking, birthweight and gestational age in sudden infant death syndrome (SIDS) babies and their surviving siblings. (ekstern lenke)
• R.T. Lie; Lorentz Irgens (1997). The Norwegian national birth cohort. (ekstern lenke)
• Mette Christophersen Tollånes; Dag Moster; Anne Kjersti Nesje Daltveit et al. (2008). Cesarean section and risk of severe childhood asthma: A population-based cohort study. (ekstern lenke)
• Alessandra Lisi; Lorenzo D. Botto; Monica Rittler et al. (2005). Sex and congenital malformations: An international perspective. (ekstern lenke)
• Petter Kristensen; Lorentz M. Irgens; Aage Andersen et al. (1997). Gestational age, birth weight and perinatal death in births to Norwegian farmers, 1967-1991. (ekstern lenke)
• Petter Kristensen; Lorentz M. Irgens; Anne Kjersti Nesje Daltveit et al. (1993). Perinatal outcome among children of men exposed to lead and organic solvents in the printing industry. (ekstern lenke)
• H. J. Haga; C. G. Gjesdal; H. S. Koksvik et al. (2004). Pregnancy outcome in patients with primary Sjøgrens syndrome,. (ekstern lenke)
• Lorentz M. Irgens (2014). The background of the Norwegian Mother and Child Cohort Study. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens (2006). The effects of smoking and hypertensive disorders on fetal growth. (ekstern lenke)
• P Kristensen; AA Andersen; Lorentz Irgens (2000). Hormone-dependent cancer and adverse reproductive outcomes in farmers' families: Effects of climate conditions favoring fungal growth in grain. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Knut Dalaker (2000). Outcome of subsequent pregnancies after placental abruption: a risk assessment. (ekstern lenke)
• Maren-Kristin Halvorsen; Eva Langeland; Grethe Almenning et al. (2015). Amming kartlagt ved rutinedata. (ekstern lenke)
• JF Skomsvoll; M Østensen; Lorentz Irgens et al. (2000). Pregnancy complcations and delivery practice in women with connective tissue disease and inflammatory rheumatic disease in Norway. (ekstern lenke)
• Sjur Lehmann; Elham Baghestan; Per E Børdahl et al. (2018). Perinatal outcome in births after a previous cesarean section at high trial of labor rates. (ekstern lenke)
• Trond Markestad; Per Ivar Kaaresen; Arild Rønnestad et al. (2005). Norwegian Extreme Prematurity Study Group. Early death, morbidity, and need of treatment among extremely premature infants. (ekstern lenke)
• Per Nafstad; Sven Ove Samuelsen; Lorentz M Irgens et al. (2005). Svangerskapskomplikasjoner og risikoen for astma blant nordmenn født 1967-1993. (ekstern lenke)
• Magnar Knut Ulstein; Ågot Irgens; Lorentz Irgens (1999). Secular trends in sperm variables for groups of men in fertile and infertile copules. (ekstern lenke)
• Geir Mjøen; Dag Ottar Sætre; Rolv Terje Lie et al. (2006). Paternal occupational exposure to radiofrequency electromagnetic fields and risk of adverse pregnancy outcome. (ekstern lenke)
• Lars Johan Hauge; Ragnhild Bang Nes; Tom Kornstad et al. (2015). Maternal sick leave due to psychiatric disorders following the birth of a child with special health care needs. (ekstern lenke)
• Elham Baghestan; Lorentz M. Irgens; Per E Børdahl et al. (2010). Trends in Risk Factors for Obstetric Anal Sphincter Injuries in Norway. (ekstern lenke)
• Å. Irgens; Kjell Krüger; A. H. Skorve et al. (1998). Reproductive Outcome in Offspring of Parents Occupationally Exposed to Lead in Norway. (ekstern lenke)
• Helene Sofie Eriksen; Susanne Høy; Lorentz Irgens et al. (2020). Social inequalities in the provision of obstetric services in Norway 1967-2009: A population-based cohort study. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Lorentz Irgens et al. (1998). Factors influencing delivery method in breech presentation. (ekstern lenke)
• Kari Klungsøyr Melve; Rolv Terje Lie; Rolv Skjærven et al. (2008). Registration of Down syndrome in the Medical Birth Registry of Norway: Validity and time trends. (ekstern lenke)
• Gunnar Tellnes; Lorentz M. Irgens; Petter Kristensen et al. (2015). MINNEORD: Tor Bjerkedal. (ekstern lenke)
• Sjur Lehmann; Elham Baghestan; Per E Børdahl et al. (2020). Low risk pregnancies after a cesarean section: Determinants of trial of labor and its failure. (ekstern lenke)
• Katrine Tyborg Leversen; Kristian Sommerfelt; Arild Erlend Rønnestad et al. (2011). Prediction of Neurodevelopmental and Sensory Outcome at 5 Years in Norwegian Children Born Extremely Preterm. (ekstern lenke)
• J Olsen; A Czeizel; HT Sørensen et al. (2002). How do we best detect toxic effects of drugs taken during pregnancy? A EuroMap paper. (ekstern lenke)
• Petter Kristensen; Ezra Susser; Lorentz M. Irgens et al. (2014). The association of high birth weight with intelligence in young adulthood: A cohort study of male siblings. (ekstern lenke)
• B Alm; SG Norvenius; G. Wennergen et al. (2001). Changes in the epidemiology of sudden infant death syndrome in Sweden 1973-1996. (ekstern lenke)
• Bernt Alm; Göran Wennergren; S Gunnar Norvenius et al. (2002). Breast feeding and the sudden infant death syndrome in Scandinavia 1992-1995. (ekstern lenke)
• Lorentz Irgens (2002). Medisinsk fødselsregister – et sentralt utgangspunkt for perinatalmedisinsk forskning. (ekstern lenke)
• Abraham Meima; Lorentz Irgens; Gerrit J. van Oortmarssen et al. (2002). Disappearance of leprosy from Norway: an exploration of critical factors using an epidemiological modelling approach. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens; Nina Øyen et al. (2003). Circadian variations in sudden infant death syndrome: associations with maternal smoking, sleeping position and infections. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens (2003). Fetal growth and body proportion in preeclampsia. (ekstern lenke)
• Lorentz Irgens (2001). Challenges to registry-based epidemiology in post-modernistic civilization. (ekstern lenke)
• MR Kazaura; RT Lie; LM Irgens et al. (2004). Increasing risk of gastroschisis in Norway: an age-period-cohort analysis. (ekstern lenke)
• Petter Kristensen; Aage Andersen; Lorentz M Irgens (2000). Hormone-dependent cancer and adverse reproductive outcomes in farmers’ families — effects of climatic conditions favoring fungal growth in grain. (ekstern lenke)
• Grace M. Egeland; Rolv Skjaerven; Lorentz Irgens (2002). The reproductive health of daughters of pregestational diabetic women: Medical Birth Registry of Norway. (ekstern lenke)
• Bernt Alm; SG Norvenius; G Wennergren et al. (2001). Changes in the epidemiology of sudden infant death syndrome in Sweden 1973-1996. (ekstern lenke)
• HU Irgens; L Reisæter; Lorentz Irgens et al. (2001). Long term mortality of mothers and fathers after pre-eclampsia: population based cohort study. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; P. Bergsjø et al. (1997). Perinatal mortality and case fatality after placental abruption in Norway 1967-1991. (ekstern lenke)
• Thor Bjerkedal; K. Osnes; P. Finne et al. (1997). Overlevelse og sykelighet blant barn med lav fødselsvekt. (ekstern lenke)
• L. Botto; M. J. Khoury; P. Mastroiacovo et al. (1997). The spectrum of Congenital Anomalies of the VATER Association: An International Study. (ekstern lenke)
• T. Bjerkedal; Lorentz Irgens; Anne Kjersti Daltveit (1997). Occurrence and survival of low birthweight births in the Nordic countries, 1980-94. (ekstern lenke)
• Å. Irgens; Krüger Kjell; A. H. Skorve et al. (1997). Medfødte misdannelser og fars yrkesposisjon: Hypoteser basert på funn fra tidligere studier etterprøvet i et norsk registermateriale. (ekstern lenke)
• Å. Irgens; Kjell Krüger; A. H. Skorve et al. (1997). Male proportion in offspring of parents exposed to strong static and extremely low frequency electromagnetic fields in Norway. (ekstern lenke)
• Thor Bjerkedal; Lorentz Irgens; Anne Kjersti Daltveit (1997). Occurrence and survival of low birthweight births in the Nordic countries, 1980-94. (ekstern lenke)
• Ragnhild Bang Nes; Lars Johan Hauge; Tom Kornstad et al. (2014). The Impact of Child Behaviour Problems on Maternal Employment: A Longitudinal Cohort Study. (ekstern lenke)
• Anna Varberg Reisæter; Jo Røislien; T Henriksen et al. (2009). Pregnancy and birth after kidney donation: The Norwegian experience. (ekstern lenke)
• Per Nafstad; Sven Ove Samuelsen; Lorentz Irgens et al. (2002). Birth weight and hearing impairment in Norwegians born from 1967 to 1993. (ekstern lenke)
• Hans Magne Ulrik Gravseth; Tor Bjerkedal; Lorentz M Irgens et al. (2008). Influence of physical, mental and intellectual development on disability in young Norwegian men. (ekstern lenke)
• Ashna D Mohangoo; Simone Buitendijk; Katarzyna Szamotulska et al. (2011). Gestational age patterns of fetal and neonatal mortality in Europe: results from the Euro-Peristat project. (ekstern lenke)
• G Hawthorne; Lorentz Irgens; Rolv Terje Lie (2000). Outcome of pregnancy in diabetic women in northeast England and in Norway, 1994-7. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Lorentz Irgens (2000). Breech presentation; secular trends in perinatal and postnatal mortality 1967-1994. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; K Dalaker (2000). Outcome of subsequent pregnancies after placental abruption: a risk assessment. (ekstern lenke)
• Grace Egeland; Rolv Skjærven; Lorentz Irgens (2000). Birth characteristics of women who develop gestational diabetes: population based study. (ekstern lenke)
• P Kristensen; Lorentz Irgens (2000). Maternal reproductive history: a registry based comparison of previous pregnancy data derived from maternal recall and data obtained during the actual pregnancy. (ekstern lenke)
• Sjur Lehmann; Elham Baghestan; Per E Børdahl et al. (2017). Validation of data in the Medical Birth Registry of Norway on delivery after a previous cesarean section. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Steinar Østerbø Thoresen et al. (2005). Har conisering betydning for svangerskapsutfall?. (ekstern lenke)
• Katrine Tyborg Leversen; Kristian Sommerfelt; Irene Bircow Elgen et al. (2012). Prediction of outcome at 5 years from assessments at 2 years among extremely preterm children: A Norwegian national cohort study. (ekstern lenke)
• John M.D. Thompson; Lorentz M Irgens; Rolv Skjærven et al. (2007). Placenta weight percentile curves for singleton deliveries. (ekstern lenke)
• Petter Kristensen; Lorentz Irgens (1999). Multiple pregnancies among women engaged in agriculture in Norway, 1967-91. (ekstern lenke)
• Ågot Irgens; Lorentz Irgens (1999). Male proportions in offspring of military air pilots in Norway. (ekstern lenke)
• Karl-Christian Nordby; Aage Andersen; Aage Andersen et al. (2005). Indicators of mancozeb exposure in relation to thyroid cancer and neural tube defects in farmers’ families. (ekstern lenke)
• Jørund Langørgen; Jannicke Igland; Stein Emil Vollset et al. (2009). Short-term and long-term case fatality in 11 878 patients hospitalized with a first acute myocardial infarction, 1979-2001: the Western Norway cardiovascular registry. (ekstern lenke)
• Arild Rønnestad; Tore G. Abrahamsen; Sverre Medbø et al. (2005). Septicemia in the First Week of Life in a Norwegian National Cohort of Extremely Premature Infants. (ekstern lenke)
• Karl-Christian Nordby; Aage Andersen; Lorentz Irgens et al. (2005). Indicators of mancozeb exposure in relation to thyroid cancer and neural tube defects in farmers' families. (ekstern lenke)
• John M. D. Thompson; Lorentz M Irgens; Svein Arvid Rasmussen et al. (2006). Secular trends in socio-economic status and the implications for preterm birth. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens (2003). Fetal growth and body proportion in preeclampsia. (ekstern lenke)
• Marianne Wallenius; Johan Fredrik Skomsvoll; Lorentz M. Irgens et al. (2012). Parity in patients with chronic inflammatory arthritides childless at time of diagnosis. (ekstern lenke)
• Magnus Odin Dahlseng; Guro Lillemoen Andersen; Lorentz M. Irgens et al. (2014). Risk of cerebral palsy in term-born singletons according to growth status at birth. (ekstern lenke)
• Hans-Jacob Haga; Clara Gram Gjesdal; Hege Svean Koksvik et al. (2005). Pregnancy outcome in patients with Primary Sjögren's Syndrome. A Case-Control Study. (ekstern lenke)
• Rolv Terje Lie; Svein Rasmussen; H. Brunborg et al. (1998). Fetal and maternal contributions to risk of pre-eclampsia: population based study. (ekstern lenke)
• Thor Bjerkedal; O. Thune; Lorentz Irgens (1999). Tidlig identifisering av barn med økt risiko for varig arbeidsuforhet. (ekstern lenke)
• Susanna Albrechtsen; Svein Rasmussen; Lorentz Irgens et al. (1998). Reproductive Career After Breech Presentation: Subsequent Pregnancy Rates, Interpregnancy Interval, and Recurrence. (ekstern lenke)
• Katrine Tyborg Leversen; Kristian Sommerfelt; Arild Erlend Rønnestad et al. (2010). Predicting neurosensory disabilities at two years of age in a national cohort of extremely premature infants. (ekstern lenke)
• Anne Kjersti Daltveit; Stein Emil Vollset; Rolv Skjærven et al. (1999). The impact of multiple births and elective deliveries on the trends in low birth weight in Norway 1967-95. (ekstern lenke)
• Lorentz Irgens (1998). The Medical Birth Registry of Norway; a source for epidemiological and clinical research. (ekstern lenke)
• Lorentz Irgens; Valborg Baste; P. Wiik et al. (1998). Clubfoot in offspring of servicemen in the Royal Norwegian Navy. (ekstern lenke)
• Svein Arvid Rasmussen; Lorentz M Irgens (2007). Pregnancy-induced hypertension in women who were born small. (ekstern lenke)
• Susanna Albrechtsen; Svein Rasmussen; Lorentz Irgens (2000). Secular trends in peri- and neonatal mortality in breech presentation; Norway 1967-1994. (ekstern lenke)
• B Alm; SG Norvenius; G Wennergren et al. (2000). Living conditions in early infancy in Denmark, Norway and Sweden 1992-95: results from the Nordic Epidemiological SIDS study. (ekstern lenke)
• Lorentz Irgens (2002). Medisinsk fødselsregister � et sentralt utgangspunkt for perinatalmedisinsk forskning. (ekstern lenke)
• Lorentz Irgens (2002). Kvinnor som har haft preeklampsi löper ökad risk för hjärtkardöd. (ekstern lenke)
• A Meima; Lorentz Irgens; GJv Oortmarsen et al. (2002). Disappearance of leprosy from Norway: exploration of critical factors using an epidemiological modelling approach. (ekstern lenke)
• Stig A Hill; B Hjelmeland; Nic M Johannessen et al. (2004). Changes in parental risk behaviour after an information campaign against sudden infant death syndrome (SIDS) in Norway. (ekstern lenke)
• Bernt Alm; Göran Wennergren; S Gunnar Norvenius et al. (2003). Vitamin A and sudden infant death syndrome in Scandinavia 1992-1995. (ekstern lenke)
• Ågot Irgens; Lorentz Irgens (2004). Secular trends in uncertain-sex births and proportion of male births in Norway, 1967-1998. (ekstern lenke)
• Sjur Lehmann; Per Børdahl; Svein Rasmussen et al. (2007). Norwegian midwives and doctors have increased cesarean section rates. (ekstern lenke)
• Per Nafstad; Sven O Samuelsen; Lorentz Irgens et al. (2002). Birth weight and hearing impairment in Norwegians born 1967 to 1993. (ekstern lenke)
• Stein Hallan; Anne M Euser; Lorentz M Irgens et al. (2008). Effect of intrauterine growth restriction on kidney function at young adult age: The Nord Trøndelag Health (HUNT 2) Study. (ekstern lenke)
• Nina Øyen; Lorentz Irgens; Rolv Skjaerven et al. (1994). Secular trends of sudden infant death syndrome in Norway, 1967-1988. Application of a method of case identification to Norwegian registry data. (ekstern lenke)
• Rolv Skjærven; Lars Vatten; Allen J. Wilcox et al. (2005). Recurrence of pre-eclampsia across generations: exploring fetal and maternal genetic components in a popluation based cohort. (ekstern lenke)
• Nina Øyen; Trond Markestad; Rolv Skjaerven et al. (1997). Combined effects of sleeping position and prenatal factors in sudden infant death syndrome (SIDS). The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Anne Kjersti Daltveit; Stein Emil Vollset; P. O. Olaussen et al. (1997). Infant mortality in Norway and Sweden 1975-88: a cause specific analysis of an increasing difference. (ekstern lenke)
• Susanna Albrechtsen; Svein Rasmussen; Knut Dalaker et al. (1997). Continuation and recurrence of breech presentation. (ekstern lenke)
• L. Botto; M. J. Khoury; P. Mastroiacovo et al. (1997). The spectrum of Congenital Anomalies of the VATER Association: An International Study. (ekstern lenke)
• P. Kristensen; A. Andersen; Lorentz Irgens et al. (1997). Gestational age, birthweight and perinatal death among births to Norwegian farmers, 1967-1991. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; H. Reigstad et al. (1997). Evaluation of a protocol for selecting fetuses in breech presentation for vaginal delivery or cesarean section. (ekstern lenke)
• Dag Moster; Rolv Terje Lie; Lorentz Irgens et al. (2001). The association of Apgar score with subsequent death and cerebral palsy: A population-based study in term infants. (ekstern lenke)
• Petter Kristensen; Tor Bjerkedal; Lorentz Irgens et al. (2005). Impact of life course determinants on work participation among young Norwegian men. (ekstern lenke)
• M. K. Campbell; T. Østbye; Lorentz Irgens (1997). Post-term birth: Risk factors and outcomes in a 10 year cohort of Norwegian births. (ekstern lenke)
• Petter Kristensen; Aage Andersen; Lorentz M. Irgens et al. (1996). Incidene and risk factors of cancer among men and women in Norwegian agriculture. (ekstern lenke)
• Svein Rasmussen; Cathrine Ebbing; Lorentz M. Irgens (2017). Predicting preeclampsia from a history of preterm birth. (ekstern lenke)
• M-H. Bouvier-Colle; Ashna D. Mohangoo; Mika Gissler et al. (2012). What about the mothers? An analysis of maternal mortality and morbidity in perinatal health surveillance systems in Europe. (ekstern lenke)
• Johan Fredrik Skomsvoll; Valborg Baste; Lorentz Irgens et al. (2002). The Recurrence Risk of Adverse Outcome in the Second Pregnancy in Women With Rheumatic Disease. (ekstern lenke)
• Trond Markestad; Per Ivar Kaaresen; Arild Rønnestad et al. (2005). Early death, morbidity, and need of treatment among extremely premature infants. (ekstern lenke)
• Lorentz Irgens (1984). The discovery of Mycobacterium leprae: A medical achievement in the light of evolving scientific methods. (ekstern lenke)
• Astrid Rognebakke Bjørstad; Kaja Irgens-Hansen; Anne Kjersti Nesje Daltveit et al. (2010). Macrosomia: mode of delivery and pregnancy outcome. (ekstern lenke)
• Lorentz Irgens (2000). The Medical Birth Registry of Norway. Epidemiological research and surveillance throughout 30 years. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Susanne Albrechtsen et al. (2000). Predicting preclampsia in the second pregnancy from low birth weight in the first pregnancy. (ekstern lenke)
• Elham Baghestan; Lorentz M. Irgens; Per E Børdahl et al. (2012). Risk of recurrence and subsequent delivery after obstetric anal sphincter injuries. (ekstern lenke)
• Ragnhild Bang Nes; Lars Johan Hauge; Tom Kornstad et al. (2014). The impact of child behaviour problems on maternal employment: a longitudinal cohort study. (ekstern lenke)
• Bjørn Egil Vikse; Lorentz M Irgens; Torbjørn Leivestad et al. (2008). Low birth weight increases risk for end-stage renal disease. (ekstern lenke)
• Hans-Jacob Haga; Clara Gram Gjesdal; Lorentz Irgens et al. (2005). Reproduction and gynaecological manifestations in women with primary Sjogren's syndrome: a case-control study. (ekstern lenke)
• Petter Kristensen; Lorentz M. Irgens; Tor Bjerkedal (1997). Environmental factors, reproductive history, and selective fertility in farmers' sibships. (ekstern lenke)
• Mette Christophersen Tollånes; Kari Klungsøyr Melve; Lorentz M Irgens et al. (2007). Reduced fertility after cesarean delivery - A maternal choice. (ekstern lenke)
• Nina Øyen; Ottar Nygård; Jannicke Igland et al. (2008). Sykehusinnleggelser for hjerte- og karsykdom i Helse Vest i perioden 1992-2001. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Susanne Albrechtsen et al. (2000). Predicitng preeclampsia in the second pregnancy from low birth weight in the first pregnancy. (ekstern lenke)
• Domenica Taruscio; Larraitz Arriola; Francesca Baldi et al. (2014). European recommendations for primary prevention of congenital anomalies: A joined effort of EUROCAT and EUROPLAN projects to facilitate inclusion of this topic in the national rare disease plans. (ekstern lenke)
• Bernt Alm; SG Norvenius; G Wennergren et al. (1999). Living conditions in early infancy in Denmark, Norway and Sweden 1992-95: results from the Nordic Epidemiological SIDS study. (ekstern lenke)
• Magnar Ulstein; Ågot Irgens; Lorentz Irgens (1999). Secular trends in sperm variables for groups of men in fertile and infertile unions. (ekstern lenke)
• Lorentz Irgens (1999). Genetisk epidemiologi og tvillingforskning (editorial). (ekstern lenke)
• Bjørn Egil Vikse; Lorentz M Irgens; Leif Bostad et al. (2006). Adverse perinatal outcome and later kidney biopsy in the mother. (ekstern lenke)
• Lars Johan Hauge; Tom Kornstad; Ragnhild Bang Nes et al. (2013). The impact of a child's special health care needs on maternal work participation during early motherhood. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens; Nina Øyen et al. (2003). Circadian variations in sudden infant death syndrome: associations with maternal smoking, sleeping position and infections. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• G. Wennergren; B. Alm; Nina Øyen et al. (1997). The decline in the incidence of SIDS in Scandinavia and its relation to risk-intervention campaigns. (ekstern lenke)
• Lorenzo D Botto; Alessandra Lisi; Elisabeth Robert-Gnansia et al. (2005). International retrospective cohort study of neural tube defects in relation to folic acid recommendations: are the recommendations working?. (ekstern lenke)
• Martha Gunn Eide; Nina Øyen; Rolv Skjærven et al. (2005). Breech delivery and intelligence: A Population-Based Study of 8,738 breech infants. (ekstern lenke)
• Aldo Rosano; D Smithells; E Robert et al. (1999). Times trends in neural tube defects prevalence in relations to preventive strategies: an international study. (ekstern lenke)
• Anne Kjersti Daltveit; Nina Øyen; Rolv Skjærven et al. (1997). The epidemic of SIDS in Norway 1967-93. Changing effects of risk factors. (ekstern lenke)
• C. Stoltenberg; P. Magnus; Rolv Terje Lie et al. (1997). Birth Defects and Parental Consanguinity in Norway. (ekstern lenke)
• Svein Arvid Rasmussen; Lorentz M Irgens; Rolv Skjærven et al. (2009). Prior adverse pregnancy outcome and the risk of stillbirth. (ekstern lenke)
• Anne Kjersti Daltveit; Stein Emil Vollset; P. O. Olaussen et al. (1997). Infant mortality in Norway and Sweden 1975-88: a cause specific analysis of an increasing difference. (ekstern lenke)
• Rolv Terje Lie; Svein Rasmussen; H. Brunborg et al. (1997). Fetal and maternal contributions to risk of pre-eclampsia: population based study. (ekstern lenke)
• Susanna Albrechtsen; Svein Rasmussen; Knut Dalaker et al. (1998). Perinatal mortality in Breech Presentation Sibships. (ekstern lenke)
• B. Alm; J. Milerad; G. Wennergren et al. (1998). A case-control study of smoking and sudden infant death syndrome in the Scandinavian countries, 1992-1995. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Å. Irgens; Kjell Krüger; A. H. Skorve et al. (1998). Reproductive Outcome in Offspring of Parents Occupationally Exposed to Lead in Norway. (ekstern lenke)
• Rolv Terje Lie; Svein Rasmussen; H. Brunborg et al. (1997). Fetal and maternal contributions to risk of pre-eclampsia: population based study. (ekstern lenke)
• Susanna Albrechtsen; Svein Rasmussen; Lorentz Irgens et al. (1998). Factors influencing delivery method in breech presentation. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Lorentz Irgens et al. (1998). Reproductive Career After Breech Presentation: Subsequent Pregnancy Rates, Interpregnancy Interval, and Recurrence. (ekstern lenke)
• Lorentz Irgens (1998). The Medical Birth Registry of Norway; a source for epidemiological and clinical research. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Knut Dalaker (1998). The effect on the likelihood of further pregnancy of placental abruption and the rate of its recurrence. (Author's reply). (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Knut Dalaker (1998). The effect on the likelihood of further pregnancy of placental abruption and the rate of its recurrence. (Author's reply). (ekstern lenke)
• Susanne Albrechtsen; Svein Arvid Rasmussen; Steinar Thoresen et al. (2008). Pregnancy outcome in women before and after cervical conisation: population based cohort study. (ekstern lenke)
• Sachiyo Yoshida; Jose Carlos Martines; Joy E. Lawn et al. (2016). Setting research priorities to improve global newborn health and prevent stillbirths by 2025. (ekstern lenke)
• Kjell Haug; Lorentz Irgens; Rolv Skjærven et al. (2000). Maternal smoking and birthweight: effect modification of period, maternal age and paternal smoking. (ekstern lenke)
• Magne Stoknes; Guro Lillemoen Andersen; Areej Ibrahim Elkamil et al. (2012). The effects of multiple pre- and perinatal risk factors on the occurrence of cerebral palsy. A Norwegian register based study. (ekstern lenke)
• Sjur Lehmann; Elham Baghestan; Per E Børdahl et al. (2019). Trial of labor after cesarean section in risk pregnancies: A population-based cohort study. (ekstern lenke)
• Method Kazaura; Rolv Terje Lie; Lorentz Irgens et al. (2004). Increasing risk of gastroschisis in Norway: an age-period-cohort analysis. (ekstern lenke)
• Sjur Lehmann; Per E Børdahl; Svein Arvid Rasmussen et al. (2007). Norwegian midwives and doctors have increased cesarean section rates. (ekstern lenke)
• Sarah E Hampson; Serena Tonstad; Lorentz M Irgens et al. (2010). Mothers' negative affectivity during pregnancy and food choices for their infants. (ekstern lenke)
• P Kristensen; Lorentz Irgens (2000). Maternal reproductive history: a registry based comparison of previous pregnancy data derived from maternal recall and data obtained during the actual pregnancy. (ekstern lenke)
• Lorentz Irgens (2000). The Medical Birth Registry of Norway. Epidemiological research and surveillance throughout 30 years. (ekstern lenke)
• Per Nafstad; Sven O. Samuelsen; Lorentz Irgens et al. (2003). Pregnancy complications and the risk of asthma among Norwegians born between 1967 and 1993. (ekstern lenke)
• B Alm; G. Wennergen; SG Norvenius et al. (2002). Breast feeding and the sudden infant death syndrome in Scandinavia 1992-1995. (ekstern lenke)
• Lorentz Irgens (2002). Kvinnor som har haft preeklampsi löper ökad risk för hjärtkardöd. (ekstern lenke)
• Jennifer Zeitlin; Katarzyna Szamotulska; Nicolas Drewniak et al. (2013). Preterm birth time trends in Europe: a study of 19 countries. (ekstern lenke)
• Alf Meberg; Harald Broch; Lorentz Irgens (2001). Cerebral parese som nyfødtmedisinsk kvalitetsindikator. (ekstern lenke)
• Johan Fredrik Skomsvoll; Monica Østensen; LM Irgens et al. (1998). Obstetrical and neonatal outcome in pregnant patients with rheumatic disease. (ekstern lenke)
• Jahn Frederik A. Frøen; Marianne Arnestad; Åshild Vege et al. (2002). Comparative epidemiology of sudden infant death syndrome and sudden intrauterine unexplained death. (ekstern lenke)
• Karl-Christian Nordby; Lorentz Irgens; Petter Kristensen (2006). Immunological exposures in Norwegian agriculture and pre-eclampsia. (ekstern lenke)
• G Hawthorne; Lorentz Irgens; Rolv Terje Lie (2000). Outcome of pregnancy in diabetic women in northeast England and in Norway, 1994-7. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Susanne Albrechtsen et al. (2001). Women with a history of placental abruption: when in a subsequent pregnancy should special surveillance for a recurrent placental abruption be initiated?. (ekstern lenke)
• R Rasmussen; Lorentz Irgens; Knut Dalaker (1999). A history of placental dysfunction and risk of placental abruption. (ekstern lenke)
• P. Kristensen; Lorentz Irgens; T. Bjerkedal (1997). Environmental factors, reproductive history and selective fertility in farmers' sibships. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Knut Dalaker (1997). The effect on the likelihood of further pregnancy of placental abruption and the rate of its recurrence. (ekstern lenke)
• Kjell Haug; Lorentz Irgens; Valborg Baste et al. (1998). Secular trends in breastfeeding and parental smoking. (ekstern lenke)
• Å. Irgens; Kjell Krüger; A. H. Skorve et al. (1997). Male proportion in offspring of parents exposed to strong static and extremely low frequency electromagnetic fields in Norway. (ekstern lenke)
• Lorentz Irgens (1997). Medisinsk fødselsregister, en hjørnesten i norsk epidemiologi. (ekstern lenke)
• P. Kristensen; A. Andersen; Lorentz Irgens et al. (1997). Gestational age, birthweight and perinatal death among births to Norwegian farmers, 1967-1991. (ekstern lenke)
• C. Stoltenberg; P. Magnus; Rolv Terje Lie et al. (1997). Birth defects and parental consanguinity in Norway. (ekstern lenke)
• Kari Klungsøyr Melve; Nils-Halvdan Morken; Lorentz M. Irgens et al. (2012). Secular trends in the epidemiology of pre-eclampsia throughout 40 years in Norway: prevalence, risk factors and perinatal survival. (ekstern lenke)
• Petter Kristensen; Tor Bjerkedal; Lorentz Irgens (2007). Early life determinants of musculoskeletal sickness absence in a cohort of Norwegians born in 1967-1976. (ekstern lenke)
• Petter Kristensen; Aage Andersen; Lorentz M. Irgens et al. (1996). Testicular cancer and parental use of fertilizers in agriculture. (ekstern lenke)
• Petter Kristensen; Aage Andersen; Lorentz M. Irgens et al. (1996). Cancer in offspring to parents engaged in agricultural activities in Norway: incidence and risk factors in the farm environment. (ekstern lenke)
• Petter Kristensen; Katherine M. Keyes; Ezra Susser et al. (2017). High birth weight and perinatal mortality among siblings: A register based study in Norway, 1967-2011. (ekstern lenke)
• Johan Fredrik Skomsvoll; Monica Østensen; Lorentz Irgens et al. (2001). A population based Study of pregnancy complications and perinatal outcome in women with rheumatic disease in Norway. (ekstern lenke)
• Lorentz M. Irgens (2015). The roots of Norwegian epidemiology – Norwegian epidemiology in the 19th century. (ekstern lenke)
• Lorentz Irgens (2000). Infeksjon og svangerskapsutfall, datagjenbruk og datakobling. (ekstern lenke)
• Å Irgens; Kjell Krüger; AH Skorve et al. (2000). Birth defects and paternal occupational exposure. Hypotheses tested in a record linkage based dataset. (ekstern lenke)
• B Alm; SG Norvenius; G Wennergren et al. (2000). Living conditions in early infancy in Denmark, Norway and Sweden 1992-95: results from the Nordic Epidemiological SIDS study. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Lorentz Irgens (2000). Secular trends in peri- and neonatal mortality in breech presentation; Norway 1967-1994. (ekstern lenke)
• Svein Rasmussen; Lorentz M. Irgens (2009). Occurrence of placental abruption in relatives. (ekstern lenke)
• Stein Emil Vollset; Helga Refsum; Lorentz Irgens et al. (2000). Plasma total homocysteine, pregnancy complications, and adverse pregnancy outcomes: the Hordaland Homocysteine Study. (ekstern lenke)
• Lorentz M. Irgens (2017). Medisinsk f?dselsregisters f?dsel og senere vekst; noen observasjoner og refleksjoner fra hornet p? veggen. (ekstern lenke)
• Areej Ibrahim Elkamil; Guro Lillemoen Andersen; Kjell Å Salvesen et al. (2011). Induction of labor and cerebral palsy: a population-based study in Norway. (ekstern lenke)
• Marianne Wallenius; Johan Fredrik Skomsvoll; Lorentz M. Irgens et al. (2011). Pregnancy and Delivery in Women With Chronic Inflammatory Arthritides With a Specific Focus on First Birth. (ekstern lenke)
• Martha Gunn Eide; Dag Moster; Lorentz M. Irgens et al. (2013). Degree of fetal growth restriction associated with schizophrenia risk in a national cohort. (ekstern lenke)
• Svein Arvid Rasmussen; Lorentz M Irgens (2008). History of fetal growth restriction is more strongly associated with severe rather than milder pregnancy-induced hypertension. (ekstern lenke)
• Rolv Skjærven; Lars J Vatten; AJ Wilcox et al. (2005). Recurrence of pre-eclampsia across generations: exploring fetal and maternal genetic components in a population based cohort. (ekstern lenke)
• Guro Lillemoen Andersen; Lorentz M. Irgens; Jon Skranes et al. (2009). Is breech presentation a risk factor for cerebral palsy? A Norwegian birth cohort study. (ekstern lenke)
• Lorentz M. Irgens; Trond Markestad; Valborg Baste et al. (1995). Sleeping position and sudden infant death syndrome in Norway 1967-1991. (ekstern lenke)
• Arild Rønnestad; Tore G. Abrahamsen; Sverre Medbø et al. (2005). Late-Onset Septicemia in a Norwegian National Cohort of Extremely Premature Infants Receiving Very Early Full Human Milk Feeding. (ekstern lenke)
• L.D. Botto; A Lisi; E Robert-Gnasia et al. (2005). International retrospective cohort study of neural tube defects in relation to folic acid recommendations: are the recommendations working?. (ekstern lenke)
• Magne Stoknes; Guro Lillemoen Andersen; Magnus Odin Dahlseng et al. (2012). Cerebral Palsy and Neonatal Death in Term Singletons Born Small for Gestational Age. (ekstern lenke)
• Hans-Jacob Haga; Clara Gram Gjesdal; Hege Svean Koksvik et al. (2005). Pregnancy outcome in patients with primary Sjögren's syndrome. A case-control study. (ekstern lenke)
• Svein Arvid Rasmussen; Lorentz M Irgens (2006). The effects of smoking and hypertensive disorders on fetal growth. (ekstern lenke)
• Arild Rønnestad; Tore G. Abrahamsen; Sverre Medbø et al. (2005). Late-Onset Septicemia in a Norwegian National Cohort of Extremely Premature Infants Receiving Very Early Full Human Milk Feeding. (ekstern lenke)
• P Nafstad; SO Samuelsen; Lorentz Irgens et al. (2003). Pregnancy complications and the risk of asthma among Norwegians born between 1967 and 1993. (ekstern lenke)
• Svein Rasmussen; Susanne Albrechtsen; Lorentz Irgens et al. (2003). Risk factors for unexplained antepartum fetal death in Norway 1967-1998. (ekstern lenke)
• Astrid Lunde; Kari Klungsøyr Melve; Håkon K. Gjessing et al. (2007). Genetic and environmental influences on birth weight, birth length, head circumference and gestational age using population based parent-offspring data. (ekstern lenke)
• Lars Johan Hauge; Tom Kornstad; Ragnhild Bang Nes et al. (2014). Employment Trends During Preschool Years Among Mothers of Term Singletons Born with Low Birth Weight. (ekstern lenke)
• Petter Kristensen; Tor Bjerkedal; LM Irgens (2004). Birthweight and work participation in adulthood. (ekstern lenke)
• Johan Fredrik Skomsvoll; Monika Østensen; Lorentz M Irgens et al. (1999). Perinatal outcome in pregnancies of women with connective tissue disease and inflammatory rheumatic disease in Norway. (ekstern lenke)
• Ragnhild Bang Nes; Lars Johan Hauge; Tom Kornstad et al. (2015). Maternal work absence: a longitudinal study of language impairment and behavior problems in preschool children. (ekstern lenke)
• Vibecke Høgberg; Svein Rasmussen; Stein Atle Lie et al. (2011). Placental abruption and premature rupture of membranes. (ekstern lenke)
• Lorentz M. Irgens (2010). The fight against leprosy in Norway in the 19th century. (ekstern lenke)
• Guro L. Andersen; Lorentz Irgens; Ivar Haagaas et al. (2008). Cerebral palsy in Norway: Prevalence, subtypes and severity. (ekstern lenke)
• B. Alm; J. Milerad; G. Wennergren et al. (1998). A case-control study of smoking and sudden infant death syndrome in the Scandinavian countries, 1992-1995. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Knut Dalaker et al. (1998). Perinatal mortality in Breech Presentation Sibships. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens; Nina Øyen et al. (1998). Sociodemographic risk factors for Sudden Infant Death Syndrome: associations with other risk factors. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Susanna Albrechtsen; Svein Rasmussen; Lorentz Irgens et al. (1998). The occurrence of breech presentation in Norway 1967-1994. (ekstern lenke)
• C. Stoltenberg; P. Magnus; Rolv Terje Lie et al. (1998). Influence of consanguinity and maternal education on risk of still birth and infant death in Norway 1967-1993. (ekstern lenke)
• C. Stoltenberg; P. Magnus; Rolv Terje Lie et al. (1998). Influence of consanguinity and maternal education on risk of still birth and infant death in Norway 1967-1993. (ekstern lenke)
• Anne Kjersti Daltveit; Stein Emil Vollset; Lorentz Irgens (1999). Population density and perinatal mortality in Norway and Sweden, 1975-1988. (ekstern lenke)
• Johan Fredrik Skomsvoll; M Østensen; Lorentz Irgens et al. (1999). Perinatal outcome in pregnancies of women with connective tissue disease and inflammatory rheumatic disease in Norway. (ekstern lenke)
• Per Magnus; Lorentz M Irgens; Kjell Haug et al. (2006). Cohort profile: The Norwegian Mother and Child Cohort Study (MoBa). (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens (2004). Epidemiologisk forskning med utgangspunkt i Medisinsk fødselsregister. (ekstern lenke)

Populærvitenskapelig bok

• Lorentz M Irgens; Yngve Nedrebø; Sigurd Sandmo et al. (2006). Leprosy. (ekstern lenke)
• Magnus Vollset; Agnethe Harbitz; Lorentz M. Irgens et al. (2025). Medisinsk-historisk selskap i Bergen gjennom 50 år. (ekstern lenke)
• Lorentz M Irgens; Yngve Nedrebø; Sigurd Sandmo et al. (2006). Lepra. (ekstern lenke)
• Christopher John Harris; Jo Gjerstad; Lorentz M Irgens et al. (2007). Pleiestiftelsen for spedalske No 1: 1857-2007. (ekstern lenke)

Konferanseabstrakt

• Marianne Wallenius; JF Skomsvoll; Lorentz M Irgens et al. (2009). Lifetime fertility rates in women with chronic inflammatory arthritides: results from a patient register linked to a medical birth registry. (ekstern lenke)
• KT Leversen; K Sommerfelt; Lorentz M Irgens et al. (2009). Cognitive outcome at 5 years of age in a national cohort of extremely pre-term infants. (ekstern lenke)
• Magne Stoknes; Guro Lillemoen Andersen; Areej Ibrahim Elkamil et al. (2010). The effect of multiple risk factors for cerebral palsy. (ekstern lenke)
• Magne Stoknes; Guro Lillemoen Andersen; Magnus Odin Dahlseng et al. (2012). Cerebral Palsy and Neonatal Death in Singletons Born Small for Gestational Age at Term. (ekstern lenke)
• Kari Klungsøyr Melve; Rolv T. Lie; Rolv Skjaerven et al. (2009). Down Syndrome registration in the Medical Birth Registry of Norway: Validity and time trends. (ekstern lenke)
• Kari Klungsøyr; Rolv Terje Lie; Rolv Skjærven et al. (2008). Registration of Down's syndrome in the medical birth registry of Norway; validity and time trends. (ekstern lenke)
• Kari Klungsøyr; Rolv Skjaerven; Anne Tandberg et al. (2012). IS INCREASED PERINATAL MORTALITY FOR THE SECOND TWIN RELATED TO ASSISTED REPRODUCTIVE TECHNIQUES? A POPULATION BASED COHORT STUDY FROM NORWAY, 1988-2008. (ekstern lenke)
• Marianne Wallenius; Johan Fredrik Skomsvoll; Lorentz M. Irgens et al. (2010). REPRODUCTION IN WOMEN WITH CHRONIC INFLAMMATORY ARTHRITIDES. (ekstern lenke)
• M Wallenius; JF Skomsvoll; Lorentz M Irgens et al. (2008). Risk of onset of both rheumatoid arthritis and other chronic arthritides during the first year after delivery. (ekstern lenke)
• KT Leversen; K Sommerfelt; Lorentz M Irgens et al. (2009). Relationship between cognitive and motor function at 5 years of age in a national cohort of extremely preterm infants. (ekstern lenke)
• Elham Baghestan; Lorentz M. Irgens; PE Bordahl et al. (2011). RISK OF RECURRENCE AND SUBSEQUENT DELIVERY AFTER OBSTETRIC ANAL SPHINCTER INJURIES. (ekstern lenke)
• Marianne Wallenius; Johan Fredrik Skomsvoll; Lorentz M. Irgens et al. (2009). Lifetime fertility rates in women with chronic inflammatory arthritides: results from a patient register linked to a medical birth registry. (ekstern lenke)
• Marianne Wallenius; Johan Fredrik Skomsvoll; Lorentz M Irgens et al. (2008). Risk of onset of both Rheumatoid arthritis and other chronic arthritides during the first year after delivery. (ekstern lenke)
• Kristin Melheim Strand; Runa Heimstad; Ann-Charlotte Iversen et al. (2013). Is the association between pre-eclampsia and cerebral palsy mediated solely through preterm birth? A population based cohort study. (ekstern lenke)
• Rolv Skjaerven; Allen J. Wilcox; Kari Klungsøyr Melve et al. (2007). Preeclampsia and long-term maternal mortality. (ekstern lenke)
• Martha Gunn Eide; Rolv Skjærven; T Bjerkedal et al. (2005). Long-term ability, disability and mortality among males with birth defects: Population-based cohort study, 1967-1999. (ekstern lenke)

Konferanseforedrag

• Rolv Skjærven; Nina Øyen; Lorentz Irgens et al. (1997). Risk scores for SIDS: Now more useful?. (ekstern lenke)
• Lorentz Irgens; Valborg Baste; P. Wiik et al. (1997). Clubfoot in offspring of the servicemen in the Royal Norwagian Navy. (ekstern lenke)
• B. Alm; G. Wennergren; G. Norveinius et al. (1997). Dummy use and SIDS in the Scandinavian countries 1992-1995. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Nina Øyen; Trond Markestad; Rolv Skjærven et al. (1997). Combined effects of sleeping position and prenatal factors in sudden infant death syndrome (SIDS). The Nordic Epidemiological SIDS study. (ekstern lenke)
• Rolv Skjærven; Nina Øyen; Lorentz Irgens et al. (1997). Risk scores for SIDS: Now more useful?. (ekstern lenke)
• I. A. Kelmanson; G. Wennergren; B. Alm et al. (1997). Preliminary results of the joint Nordic-Russian Study on the risk factors of sudden infant death syndrome (SIDS). (ekstern lenke)
• Nina Øyen; R. Skjærven; K. Helweg-Larsen et al. (1997). Co-sleeping and risk of sudden infant death syndrome (SIDS). The Nordic Epidemiological SIDS Study. (ekstern lenke)
• K. Helweg-Larsen; Lorentz Irgens; J. Millerad et al. (1997). Pludselig spædbarnsdød i Norden. Sudden infant death in the Nordic countries. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens; B. Alm et al. (1997). Interactions of Maternal risk factors and sex, age at death, seasonality, as well as hour found dead. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• I.A. Kelmanson; G. Wennergren; B. Alm et al. (1997). Preliminary results of the joint Nordic-Russian Study on then risk factors of sudden infant death syndrome (SIDS). (ekstern lenke)
• Rolv Skjærven; Lorentz Irgens (2001). SIDS and interval between pregnancies. (ekstern lenke)
• Petter Kristensen; Ezra Susser; Karina Corbett et al. (2015). Macrosomia at birth and perinatal mortality: a register study of siblings born at term in Norway, 1967-2011. (ekstern lenke)
• Lorentz Irgens (1998). Perinatal Helse i Vestforld og Telemark. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens; Nina Øyen et al. (1998). Circadian variations in sudden infant death; association with maternal smoking. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens; Nina Øyen et al. (1998). Circadian variations in sudden infant death; association with maternal smoking. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens; B. Alm et al. (1997). Interactions of Maternal risk factors and sex, age at death, seasonality, as well as hour found dead. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Nina Øyen; Trond Markestad; Rolv Skjærven et al. (1997). Combined effects of sleeping position and prenatal factors in sudden infant death syndrome (SIDS). The Nordic Epidemiological SIDS study. (ekstern lenke)
• Anne Kjersti Daltveit; Nina Øyen; Rolv Skjærven et al. (1997). The epidemic of SIDS in Norway 1967-93. Changing effects of risk factors. (ekstern lenke)
• Anne Kjersti Daltveit; Nina Øyen; Rolv Skjærven et al. (1997). The epidemic of SIDS in Norway 1967-93. Changing effects of risk factors. (ekstern lenke)
• B. Alm; G. Wennergren; G. Norvenius et al. (1997). Dummy use and SIDS in Scandinavian counties. The Nordic Epidemiological SIDS Study. (ekstern lenke)
• Lorentz Irgens; Rolv Skjærven (2001). Repeated SIDS in a family. Abstract. (ekstern lenke)
• Kristin Melheim Strand; Runa Heimstad; Ann-Charlotte Iversen et al. (2013). Is the association between pre-eclampsia and cerebral palsy mediated solely through preterm birth? A population based cohort study. (ekstern lenke)
• Kjell Haug; Lorentz M. Irgens; Trond Markestad et al. (1995). Smoking habits among pregnant women in Norway 1970-1991. (ekstern lenke)
• Magne Stoknes; Guro Lillemoen Andersen; Areej Ibrahim Elkamil et al. (2010). The effect of multiple risk factors for cerebral palsy. (ekstern lenke)
• Rolv Skjærven; Nina Øyen; Lorentz Irgens et al. (1997). Risk scores for SIDS: Now more useful?. (ekstern lenke)
• Johan Fredrik Skomsvoll; M Østensen; Lorentz M Irgens et al. (1998). Obstetrical and neonatal outcome in pregnant patients with rheumatic disease. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens (2002). Føtal vekst og kroppsproporsjon ved preeklampsi. (ekstern lenke)
• Hans Magne Ulrik Gravseth; Petter Kristensen; Tor Bjerkedal et al. (2008). Social inequalities in disability pension in a life course perspective. (ekstern lenke)
• Lorentz Irgens (1998). Gatroschisis in Norway 1967-95. (ekstern lenke)
• I. A. Kelmanson; G. Wennergren; B. Alm et al. (1997). Preliminary results of the joint Nordic-Russian Study on the risk factors of sudden infant death syndrome (SIDS). (ekstern lenke)
• I. A. Kelmanson; G. Wennergren; B. Alm et al. (1997). Preliminary results of the joint Nordic-Russian Study on the risk factors of sudden infant death syndrome (SIDS). (ekstern lenke)
• Rolv Skjærven; Nina Øyen; Lorentz Irgens et al. (1997). Risk scores for SIDS: Now more useful?. (ekstern lenke)
• Nina Øyen; Trond Markestad; Rolv Skjærven et al. (1997). Combined effects of sleeping position and prenatal factors in sudden infant death syndrome (SIDS). The Nordic Epidemiological SIDS study. (ekstern lenke)
• Magne Stoknes; Guro Lillemoen Andersen; Magnus Odin Dahlseng et al. (2012). Cerebral Palsy and Neonatal Death in Term Singletons Born Small for Gestational Age. (ekstern lenke)
• Per Nafstad; Sven Ove Samuelsen; Lorentz Irgens et al. (2001). Birth weight and hearing impairment in norwegians born 1967 to 1993. (ekstern lenke)
• Valborg Baste; Nina Øyen; Lorentz M. Irgens et al. (1995). Seasonality of SIDS in Norway. (ekstern lenke)
• Hans Magne Ulrik Gravseth; Petter Kristensen; Odd O. Aalen et al. (2006). Livsløpsdeterminanter for tidlig uførepensjon. (ekstern lenke)
• Anne Kjersti Daltveit; Nina Øyen; Rolv Skjærven et al. (1997). The epidemic of SIDS in Norway 1967-93. Changing effects of risk factors. (ekstern lenke)
• Areej Ibrahim Elkamil; Guro Lillemoen Andersen; Kjell Å Salvesen et al. (2010). Induction of labor and cerebral palsy: a population-based study in Norway. (ekstern lenke)
• Guro Lillemoen Andersen; Tone Mjøen; Ivar Haagaas et al. (2008). Communication skills and early identification of AAC needs in children with cerebral palsy. (ekstern lenke)
• Kjell Haug; Lorentz Irgens; Trond Markestad et al. (1997). Paternal smoking and breastfeeding in Norway 1970-1991. (ekstern lenke)
• Karl-Christian Nordby; Lorentz M Irgens; Petter Kristensen (2004). Immunologic exposures in Norwegian agriculture and pregnancy induced hypertension. (ekstern lenke)
• Karin Helweg-Larsen; Lorentz Irgens; J. Millerad et al. (1997). Pludselig spædbarnsdød i Norden. Sudden infant death in the Nordic countries. (ekstern lenke)
• Stein Emil Vollset; Lorentz Irgens; Anne Lise Bjørke-Monsen et al. (1997). Total plasma homocysteine and previous occurrence of congenital malformations: The Hordaland Homocysteine Study. (ekstern lenke)
• Per Nafstad; Sven Ove Samuelsen; Lorentz Irgens et al. (2001). Birth weight and hearing impairment in norwegians born 1967 to 1993. (ekstern lenke)
• Nina Øyen; Trond Markestad; Rolv Skjærven et al. (1997). Combined effects of sleeping position and prenatal factors in sudden infant death syndrome (SIDS). The Nordic Epidemiological SIDS study. (ekstern lenke)

Forskningsrapport

• Lorentz M. Irgens (1999). Medisinsk fødselsregister: årsmelding 1997. (ekstern lenke)
• Karin Helweg-Larsen; Nina Øyen; J. Millerad et al. (1997). Sudden infant Death in the Nordic countries. Results of the Nordic study of Infant Death Syndrome. Final Report. (ekstern lenke)
• Lorentz M. Irgens (1994). Medisinsk fødselsregister: årsmelding 1992.. (ekstern lenke)
• Lorentz M. Irgens (1997). Fødsler i Norge gjennom 30 år. (ekstern lenke)
• Lorentz M. Irgens (1985). Medisinsk fødselsregister: årsmelding 1985. (ekstern lenke)
• Lorentz M. Irgens (1989). Medisinsk fødselsregister: årsmelding 1988. (ekstern lenke)
• Lorentz M. Irgens (1992). Medisinsk fødselsregister: årsmelding 1991.. (ekstern lenke)
• Lorentz M Irgens (2006). Fødsler i Norge 2003-2004. Årsrapport, Medisinsk fødselsregister / Annual report 2003-2004, Medical Birth Registry of Norway. (ekstern lenke)
• Lorentz M. Irgens; Leiv Sigmund Bakketeig (1987). Fødsler og perinatale helseproblemer 1967-1984. (ekstern lenke)
• Lorentz M. Irgens (2002). Fødsler i Norge: årsmelding 1999 og 2000. (ekstern lenke)
• Lorentz M. Irgens (1990). Medisinsk fødselsregister: årsmelding 1989.. (ekstern lenke)
• Lorentz M. Irgens (1999). Medisinsk fødselsregister: årsrapport 1998. På oppdrag fra Statens institutt for folkehelse. (ekstern lenke)
• Lorentz M. Irgens (1998). Fødsler i Norge gjennom 30 år 1967-96. (ekstern lenke)
• Lorentz Irgens (2004). Fødsler i Norge 2001-2002. Årsrapport, Medisinsk fødselsregister / Annual Report, Medical Birth Registry of Norway. (ekstern lenke)
• K. Helweg-Larsen; Nina Øyen; J. Millerad et al. (1997). Sudden infant Death in the Nordic countries. Results of the Nordic study of Infant Death Syndrome. Final Report. (ekstern lenke)
• Lorentz M. Irgens (1995). Medisinsk fødselsregister: årsmelding 1993. (ekstern lenke)
• Lorentz M. Irgens (1988). Medisinsk fødselsregister: årsmelding 1987. (ekstern lenke)
• Lorentz M. Irgens (1996). Medisinsk fødselsregister: årsmelding 1996. (ekstern lenke)
• Lorentz M. Irgens (1986). Medisinsk fødselsregister: årsmelding 1986. (ekstern lenke)
• Lorentz M. Irgens (1995). Medisinsk fødselsregister: årsmelding 1994. (ekstern lenke)
• Lorentz M. Irgens (1991). Medisinsk fødselsregister: årsmelding 1990. (ekstern lenke)
• [Mangler fornavn] Medisinsk fødselsregister; Lorentz M. Irgens (1996). Medisinsk fødselsregister: årsmelding 1995. (ekstern lenke)
• Å Irgens; Kjell Krüger; AH. Skorve et al. (1996). Yrke og reproduksjonsutfall. (ekstern lenke)
• Ågot Irgens; Kjell Krüger; AH. Skorve et al. (1996). Yrke og reproduksjonsutfall. (ekstern lenke)

Vitenskapelig bokkapittel

• Lorentz Irgens (2003). Våre medisinske helseregistre; viktige verktøy i kvantitativ medisin og medisinsk kvalitetssikring. (ekstern lenke)
• Lorentz Irgens (2006). The discovery of Mycobacterium leprae: A medical achievement in the light of evolving scientific methods. (ekstern lenke)
• Lorentz Irgens (1999). Barnedød i et tidsperspektiv. (ekstern lenke)
• Lorentz Irgens (1999). Hvorfor informere om risikofaktorer?. (ekstern lenke)
• Lorentz Irgens (2000). Prefaced. (ekstern lenke)
• Lorentz Irgens (1997). Epilog: Forskeren og mennesket. Johanne-Margrethe Patrix: Gerhard Armauer Hansen, leprabasillens oppdager. (ekstern lenke)
• Lorentz Irgens (2000). Prefaced. (ekstern lenke)
• Lorentz Irgens (1997). Epilog: Forskeren og mennesket. Johanne-Margrethe Patrix: Gerhard Armauer Hansen, leprabasillens oppdager. (ekstern lenke)
• K Irgens; Lorentz Irgens (2000). St. Jørgens Hospital institusjons- og bygningshistorie. (ekstern lenke)
• Lorentz Irgens (2006). Oppdagelsen av leprabasillen. En medisinsk bragd sett i lys av samtidens vitenskapelige metodeutvikling. (ekstern lenke)
• Rolv Terje Lie; Lorentz Irgens; Ivar Heuch (1994). Epidemiologisk overvåkning av medfødte misdannelser. (ekstern lenke)
• Susanne Albrechtsen; Lorentz Irgens (2002). Epidemiology and aetiology of breech presentation. (ekstern lenke)
• Yngve Nedrebø; Stein Atle Lie; Lorentz Irgens (2006). The Leprosy epidemic of Norway. (ekstern lenke)
• Lorentz Irgens (2003). Kampen mot lepra. (ekstern lenke)
• Yngve Nedrebø; Stein Atle Lie; Lorentz Irgens (2006). Lepraepidemien i Norge. (ekstern lenke)

Leserbrev

• Ågot Irgens; Magnar Knut Ulstein; Lorentz Irgens (2001). Reproductive outcome according to semen quality in couples with infertility problems (correpondence). (ekstern lenke)
• Grace Egeland; Lorentz Irgens (2001). Is a multiple birth pregnancy a risk factor for gestational diabetes? (letter). (ekstern lenke)
• Grace M. Egeland; Rolv Skjaerven; Lorentz Irgens (2001). Is a multiple birth pregnancy a risk factor for gestational diabetes?. (ekstern lenke)
• Petter Kristensen; Lorentz M. Irgens (1994). Clusters of anophthalmia: no link with benomyl in Norway. (ekstern lenke)
• Gillian Hawthorne; Lorentz Irgens; Rolv Terje Lie et al. (2003). Retraction of paper on maternal diabetes. (ekstern lenke)
• Guro L Andersen; Lorentz M. Irgens; Jon Skranes et al. (2010). Is breech presentation a risk factor for cerebral palsy?. (ekstern lenke)
• G Hawthorne; Lorentz Irgens; Rolv Terje Lie (2001). Outcome of pregnancy in diabetic women - authors reply (letter). (ekstern lenke)
• Kristin Gåsemyr; Lorentz Irgens (2006). Abort – ikke lenger behov for forskning?. (ekstern lenke)
• Kristin Gåsemyr; Lorentz M Irgens (2006). Abort – ikke lenger behov for forskning?. (ekstern lenke)
• Petter Kristensen; Ezra Susser; Lorentz M. Irgens et al. (2014). Kristensen et al. respond to ”high birth weight and later health”. Response to invited commentary. (ekstern lenke)
• Svein Rasmussen; Lorentz M. Irgens; Jimmy Espinoza (2015). Authors' reply re: Maternal obesity and excess of fetal growth in pre-eclampsia. (ekstern lenke)
• Lorentz M. Irgens; Anne Kjersti Daltveit; Astrid Rognebakke Bjørstad et al. (2011). Macrosomia and adverse pregnancy outcome: the role of maternal height REPLY. (ekstern lenke)

Forelesning

• Lorentz Irgens (1998). Bakgrunn for Sunnhetsloven og et forebyggende helsevesen. Invitert foredrag. (ekstern lenke)
• Lorentz Irgens (1998). Hva kan MFR bidra med ved miljøstudier av diabetes. (ekstern lenke)
• Lorentz Irgens (1998). Nytt meldeskjema for MFR. (ekstern lenke)
• Lorentz Irgens (1998). Nytt meldeskjema for MFR, nye muligheter for forskning og kvalitetssikring. (ekstern lenke)
• Lorentz Irgens (1998). Nytt meldeskjema for MFR. (ekstern lenke)
• Lorentz Irgens (1998). Caesarean section in Norway. [Invitert foredrag]. (ekstern lenke)
• Lorentz Irgens (1998). Yrke og reproduksjon. [Invitert foredrag]. (ekstern lenke)
• Lorentz Irgens (1998). Arbeid og reproduksjonsutfall. [Invitert foredrag]. (ekstern lenke)
• Lorentz Irgens (1998). Diabetes in pregnancy and perinatal outcome. [Invitert foredrag]. (ekstern lenke)
• Lorentz Irgens (1998). Nytt meldeskjema for MFR. (ekstern lenke)
• Lorentz Irgens (1998). Lepra i Norge. [Invitert foredrag]. (ekstern lenke)

Kapittel i populærvitenskapelig bok

• Yngve Nedrebø; Stein Atle Lie; Lorentz M Irgens (2006). Lepraepidemien i Norge. (ekstern lenke)
• Yngve Nedrebø; Stein Atle Lie; Lorentz M Irgens (2006). The Leprosy epidemic of Norway. (ekstern lenke)
• Lorentz M Irgens; Tor Bjerkedal (2006). Lepraepidemiologi i Norge: Lepraregisterets historie fra 1856 til i dag. (ekstern lenke)
• Lorentz M Irgens (2007). Pleiestiftelsen for spedalske no 1 - norsk helsevesens første flaggskip (Bygger på artikkel i Naturen, 1989 no 6, s. 208-213). (ekstern lenke)
• Lorentz M Irgens; Tor Bjerkedal (2006). Epidemiology of Leprosy in Norway: The History of The National Leprosy Registry of Norway from 1856 until today. (ekstern lenke)
• Lorentz M Irgens (2006). The discovery of Mycobacterium leprae. A medical achievement in the light of evolving scietific methods. (ekstern lenke)
• Lorentz M Irgens (2006). Oppdagelsen av leprabasillen. En medisinsk bragd sett i lys av samtidens vitenskapelige metodeutvikling. (ekstern lenke)

Populærvitenskapelig artikkel

• Patricia Schreuder; Lorentz Irgens (1998). Nasjonal epidemiologisk overvåking av krybbedød i Norge. (ekstern lenke)
• Patricia Schreuder; Lorentz Irgens (1998). Den norske mor og barn-studien. (ekstern lenke)
• Susanne Albrechtsen; Svein Rasmussen; Lorentz Irgens (2000). Breech presentation; secular trends in perinatal and postnatal mortality 1967-1994. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens (1998). Hva var verdt å ta med hjem fra Rouen? Epidemiologene forteller. (ekstern lenke)
• Trond Markestad; Lorentz Irgens (1998). Barn med ekstremt lav fødselsvekt. (ekstern lenke)
• Lorentz Irgens (1997). Er faren for krybbedød større om vinteren enn om sommeren?. (ekstern lenke)
• Anne Kjersti Daltveit; Lorentz Irgens (1998). Hva var verdt å ta med hjem fra Rouen? Epidemiologene forteller. (ekstern lenke)
• Lorentz Irgens (1997). Er faren for krybbedød større om vinteren enn om sommeren?. (ekstern lenke)

Fremhevet artikkel i media

• Lorentz M. Irgens (2012). Gerhard Henrik Armauer Hansen, 100 år etter hans død ”En i sandhet lysets apostel”. (ekstern lenke)
• Sigurd Sverdrup Sandmo; Lorentz Irgens (2001). Lepraarkivene og Verdens hukommelse. (ekstern lenke)
• Susanne Albrechtsen; Lorentz Irgens; Knut Dalaker (1998). Breech delivery protocol. [Letter]. (ekstern lenke)
• Svein Rasmussen; Lorentz Irgens; Knut Dalaker (1999). The effect on the likelihood of further pregnancy of placental abruption and the rate of its recurrence. (Author's reply). (ekstern lenke)
• Lorentz Irgens; Henry John Mæland (1997). Register for friskere barn. [Kronikk]. (ekstern lenke)
• Ågot Irgens; Lorentz Irgens (1999). Interpreting the female excess among births to women with adverse chemical or occupational exposures. (Letter). (ekstern lenke)
• Lorentz Irgens; Henry John Mæland (1997). Register for friskere barn. [Kronikk]. (ekstern lenke)

Fagartikkel

• Marta Ebbing; Lorentz M. Irgens; Nina Aaland Reigstad (2012). Alvorlige fødselsrifter. (ekstern lenke)

Konferanseposter

• Ragnhild Bang Nes; Lars Johan Hauge; Espen Røysamb et al. (2012). Maternal Well-Being and Psychological Distress: A Prospective Longitudinal Study of Mothers Giving Birth to Children With Congenital Anomalies. (ekstern lenke)
• Johan Fredrik Skomsvoll; Monika Østensen; Lorentz M. Irgens et al. (1999). A population based study of pregnancy outcome in women with rheumatic disease in Norway. (ekstern lenke)
• Johan Fredrik Skomsvoll; M Østensen; Lorentz M Irgens et al. (1999). A population based study of pregnancy and perinatal outcome in women with rheumatic disease in Norway. (ekstern lenke)
• Bjørn Egil Vikse; Lorentz Irgens; Leif Bostad et al. (2003). Perinatal factors and later kidney disease as diagnosed by kidney biopsy. (ekstern lenke)

Tidsskriftomtale

• Lorentz M. Irgens (2016). Tankevekkende om sykdomsårsaker. Bokanmeldelse.. (ekstern lenke)
• Lorentz M. Irgens (2013). En folkefiende i San Francisco. Bokanmeldelse. (ekstern lenke)
• Lorentz M. Irgens (2014). Knapt for den interesserte leser. Bokanmeldelse. (ekstern lenke)
• Lorentz M. Irgens (2012). Leprosy Rrevisited. Bokanmeldelse av WHO Expert Committtee on Leprosy (Eight report). (ekstern lenke)

Lederartikkel

• Lorentz Irgens (2007). Commentary: On the clinical prediction of pre-eclampsia and its enigmatic aetiology. (ekstern lenke)
• Elham Baghestan; Lorentz M. Irgens; Per E Børdahl et al. (2012). Risk of Recurrence and Subsequent Delivery After Obstetric Anal Sphincter Injuries EDITORIAL COMMENT. (ekstern lenke)
• Lorentz M Irgens (2007). Commentary: On the clinical prediction of pre-eclampsia and its enigmatic aetiology. (ekstern lenke)
• Lorentz Irgens; Petter Kristensen; Lars Vatten (2005). Tidlig eksponering og senere sykdom. (ekstern lenke)

Doktorgradsavhandling

• Lorentz M. Irgens (1980). Leprosy in Norway : an epidemiological study based on a national patient registry. (ekstern lenke)
• Guro Lillemoen Andersen; Torstein Vik; Jon Skranes et al. (2011). Cerebral palsy in Norway – subtypes, severity and risk factors. (ekstern lenke)

Arbeidsnotat

• Terje Østvold; Jørgen Løvland; L. M. Irgens et al. (1994). Applied chemical thermodynamics. (ekstern lenke)

Leksikonartikkel

• Lorentz Irgens (2006). Hansen, Gerhard Henrik Armauer. (ekstern lenke)
• Lorentz M. Irgens (2008). Epidemiology, historical. (ekstern lenke)
• Lorentz M Irgens (2008). Epidemiology, Historical. (ekstern lenke)

Antologi

• Lorentz Irgens; Yngve Nedrebø; Sigurd Sandmo et al. (2006). Leprosy. (ekstern lenke)
• Lorentz Irgens; Yngve Nedrebø; Sigurd Sandmo et al. (2006). Lepra. (ekstern lenke)

Lærebok

• Lorentz M. Irgens (2010). Forebyggende helsearbeid og ditt ansvar som lege. (ekstern lenke)

Kapittel i fagbok

• Lorentz M. Irgens (2016). Registerbasert medisin i et internasjonalt pionermiljø i Bergen.. (ekstern lenke)

Vitenskapelig monografi

• Kirsten Lolita Milnes; Lorentz M. Irgens (2010). Journey from the dark. Leprosy in Spain and the United States in the 19th and 20th centuries. (ekstern lenke)

Se en full oversikt over publikasjoner i Cristin