Generell statistikk | Universitetet i Bergen (uib.no)

Anvendt statistikk for den odontologiske videreutdanning | Universitetet i Bergen (uib.no)

Plan for masteroppgave | Universitetet i Bergen (uib.no)

Masteroppgåve | Universitetet i Bergen (uib.no)

Prosjektoppgåve | Universitetet i Bergen (uib.no)

Seminarserie (forskerskule) i oral helse | Universitetet i Bergen (uib.no)

Kurs i forløpsanalyse | Universitetet i Bergen (uib.no)

2024

• Leta, Tesfaye Hordofa; Lie, Stein Atle; Fenstad, Anne Marie et al. (2024). Periprosthetic Joint Infection After Total Knee Arthroplasty With or Without Antibiotic Bone Cement. (ekstern lenke)
• Knie, Lorenz Volker; Leknes, Knut Norvald; Xue, Ying et al. (2024). Serum biomarker levels in smokers and non-smokers following periodontal therapy. A prospective cohort study. (ekstern lenke)
• Ahmad, Amara; Egeland, Emma H.; Dybvik, Eva Hansen et al. (2024). Equivalent mortality after operation with sliding hip screw or intramedullary nail for trochanteric AO/OTA A1 and A2 fractures reported in the Norwegian Hip Fracture Register 2008 to 2020. (ekstern lenke)

2023

• Laborie, Lene Bjerke; Lie, Stein Atle; Rosendahl, Karen (2023). Radiographic markers of hip dysplasia in young adults: predictive effect of factors in early life. (ekstern lenke)
• Verket, Anders; Koldsland, Odd Carsten; Bunæs, Dagmar Fosså et al. (2023). Non-surgical therapy of peri-implant mucositis—Mechanical/physical approaches: A systematic review. (ekstern lenke)
• Fahlstedt, Peter; Wennerberg, Ann; Bunæs, Dagmar Fosså et al. (2023). Dental implant surface morphology, chemical composition, and topography following double wavelength (2780/940 nm) laser irradiation. An in vitro study. (ekstern lenke)
• Åstrøm, Anne-Kristine N; Mastrovito, Berit; Sannevik, Josefine et al. (2023). Oral health inequalities in Swedish older adults over 25 years of follow-up. (ekstern lenke)
• Blakstad, Hanne Kristin; Brekke, Jorunn; Rahman, Mohummad Aminur et al. (2023). Survival in a consecutive series of 467 glioblastoma patients: Association with prognostic factors and treatment at recurrence at two independent institutions. (ekstern lenke)
• Hannisdal, Marianne Hjellvik; Goplen, Dorota; Alam, Saruar et al. (2023). Feasibility of deep learning-based tumor segmentation for target delineation and response assessment in grade-4 glioma using multi-parametric MRI. (ekstern lenke)
• Selimovic, Armin; Bunæs, Dagmar Fosså; Lie, Stein Atle et al. (2023). Non-surgical treatment of peri-implantitis with and without erythritol air-polishing a 12-month randomized controlled trial. (ekstern lenke)
• Tousi, Farnoush; Al-Haroni, Mohammed; Lie, Stein Atle et al. (2023). Antibiotic prescriptions among dentists across Norway and the impact of COVID-19 pandemic. (ekstern lenke)
• Aga, Odd-Olav; Bolstad, Anne Isine; Lie, Stein Atle et al. (2023). Periodontitis in patients with primary Sjögren's syndrome: A nation-wide register study. (ekstern lenke)
• Kirkebø, Ragnhild Loven; Nordsletten, Lars; Madsen, Jan Erik et al. (2023). Long-term follow-up and survival of delayed total hip arthroplasty following acetabular fracture: a matched cohort study of 552 cases from the Norwegian Arthroplasty Register. (ekstern lenke)
• Lind, Kristian Hamill; Bunæs, Dagmar Fosså; Lie, Stein Atle et al. (2023). Henvisningsmønstre for pasienter med periodontitt i Norge: 2003 versus 2018. (ekstern lenke)
• Røsland, Anders; Bertelsen, Randi Jacobsen; Bunæs, Dagmar Fosså et al. (2023). Periodontitis is associated with airflow obstruction in the Malmö Offspring Dental Study. (ekstern lenke)
• Bolstad, Anne Isine; Fevang, Bjørg Tilde Svanes; Lie, Stein Atle (2023). Increased risk of periodontitis in patients with rheumatoid arthritis: A nationwide register study in Norway. (ekstern lenke)
• Leta, Tesfaye Hordofa; Fenstad, Anne Marie; Lygre, Stein Håkon Låstad et al. (2023). The use of antibiotic-loaded bone cement and systemic antibiotic prophylactic use in 2,971,357 primary total knee arthroplasties from 2010 to 2020: an international register-based observational study among countries in Africa, Europe, North America, and Oceania. (ekstern lenke)
• Jensen, Synnøve Stokke; Austin, Christine; Arora, Manish et al. (2023). Toxic and essential trace elements in human primary teeth: A baseline study within The MoBaTooth Biobank and The Norwegian Mother, Father and Child Cohort Study (MoBa). (ekstern lenke)
• Xenaki, Victoria; Xue, Ying; Lie, Stein Atle et al. (2023). Effect of titanium dioxide nanoparticles on oral cells and 3D oral mucosa models. (ekstern lenke)
• Pawloy, Karola; Fenstad, Anne Marie; Leta, Tesfaye Hordofa et al. (2023). No difference in risk of revision due to infection between clindamycin and cephalosporins as antibiotic prophylaxis in cemented primary total knee replacements: a report from the Norwegian Arthroplasty Register 2005–2020. (ekstern lenke)
• Nilsen, Astrid; Thorsnes, Anette; Lie, Stein Atle et al. (2023). Periodontitis in obese adults with and without metabolic syndrome: a cross-sectional study. (ekstern lenke)
• Furnes, Ove Nord; Gjertsen, Jan-Erik; Inderhaug, Eivind et al. (2023). I starten var det Hofteregisteret- så ble vi flere. Nasjonalt Register for Leddproteser, Nasjonalt Hoftebruddregister, Nasjonalt Korsbåndregister og Nasjonalt Barnehofteregister. (ekstern lenke)
• Lindal, Emma; Vo, Helene; Nilsen, Astrid et al. (2023). En pilotstudie for å undersøke betydningen av fedme, metabolsk syndrom og bruk av kalsium­antagonister på periodontal helse. (ekstern lenke)

2022

• Nilsen, Daniel Hoseth; Furnes, Ove Nord; Kroken, Gard et al. (2022). Risk of total hip arthroplasty after elite sport: Linking 3304 former world-class athletes with the Norwegian Arthroplasty Register. (ekstern lenke)
• Bertelsen, Randi Jacobsen; Perez Barrionuevo, Antonio Manuel; Shigdel, Rajesh et al. (2022). Association of oral bacteria with oral hygiene habits and self-reported gingival bleeding. (ekstern lenke)
• Fahlstedt, Peter; Wennerberg, Ann; Bunæs, Dagmar Fosså et al. (2022). Dental implant surface morphology, topography, and chemical composition following double wavelength (2780/940 nm) laser irradiation. . (ekstern lenke)
• Selimović, Armin; Bunæs, Dagmar Fosså; Lie, Stein Atle et al. (2022). A 6-month randomized controlled trial evaluating non-surgical treatment of peri-implantitis with and without erythritol air-polishing. Preliminary results. . (ekstern lenke)
• Knie, Lorenz Volker; Leknes, Knut Norvald; Xue, Ying et al. (2022). Serum biomarker profiling in smokers and non-smokers following periodontal therapy. . (ekstern lenke)
• Thoresen, Therese; Jordal, Stina; Lie, Stein Atle et al. (2022). Infective endocarditis: association between origin of causing bacteria and findings during oral infection screening. (ekstern lenke)
• Mulima, Gift; Lie, Stein Atle; Charles, Anthony et al. (2022). Tracheostomy without mechanical ventilation in patients with traumatic brain injury at a tertiary referral hospital in Malawi: a cross sectional study. (ekstern lenke)
• Gil, Elisabeth Grut; Skeie, Marit Slåttelid; Halbig, Josefine Mareile et al. (2022). Oral health-related quality of life in 4-16-year-olds with and without juvenile idiopathic arthritis. (ekstern lenke)
• Vinther, Dennis; Mailhac, Aurelie; Andersen, Ina Trolle et al. (2022). Association between duration of anticoagulant thromboprophylaxis and revision rate in primary total hip arthroplasty: a Danish and Norwegian nationwide cohort study. (ekstern lenke)
• Brendsdal, Eirik Sørdal; Lie, Stein Atle; Furnes, Ove Nord et al. (2022). Long-term survival of 2997 finger metacarpophalanageal joint arthroplasties from the Norwegian Arthroplasty Register. (ekstern lenke)
• Lie, Stein Atle; Fenstad, Anne Marie; Lygre, Stein Håkon Låstad et al. (2022). Kaplan-Meier and Cox Regression Are Preferable for the Analysis of Time to Revision of Joint Arthroplasty: Thirty-One Years of Follow-up for Cemented and Uncemented THAs Inserted from 1987 to 2000 in the Norwegian Arthroplasty Register. (ekstern lenke)
• Vedaa, Øystein; Djupedal, Ingebjørg Louise Rockwell; Svensen, Erling et al. (2022). Health-promoting work schedules: protocol for a large-scale cluster randomised controlled trial on the effects of a work schedule without quick returns on sickness absence among healthcare workers. (ekstern lenke)
• Gil, Elisabeth Grut; Åstrøm, Anne-Kristine N; Lie, Stein Atle et al. (2022). Dental plaque and gingival bleeding in adolescents with juvenile idiopathic arthritis and controls: a multilevel analysis. (ekstern lenke)
• Benson, Thea Emily; Andersen, Ina Trolle; Overgaard, Søren et al. (2022). Association of perioperative thromboprophylaxis on revision rate due to infection and aseptic loosening in primary total hip arthroplasty - new evidence from the Nordic Arthroplasty Registry Association (NARA). (ekstern lenke)
• Sunde, Erlend; Harris, Anette Kristoffersen; Nielsen, Morten Birkeland et al. (2022). Protocol for a systematic review and meta-analysis on the associations between shift work and sickness absence. (ekstern lenke)

2021

• Eftedal, Monica; Tveito, Torill Helene; Gensby, Ulrik et al. (2021). Comparing two interdisciplinary occupational rehabilitation programs for employees on sick leave: a mixed-method design study protocol. (ekstern lenke)
• Gil, Elisabeth Grut; Åstrøm, Anne-Kristine N; Lie, Stein Atle et al. (2021). Dental caries in children and adolescents with juvenile idiopathic arthritis and controls: a multilevel analysis. (ekstern lenke)
• Bolstad, Anne Isine; Sehjpal, Pria; Lie, Stein Atle et al. (2021). Periodontitis in patients with systemic lupus erythematosus: A nation-wide study of 1990 patients. (ekstern lenke)
• Hole, Randi Margrete; Fenstad, Anne Marie; Gjertsen, Jan-Erik et al. (2021). Thromboprophylaxis in primary shoulder arthroplasty does not seem to prevent death: a report from the Norwegian Arthroplasty Register 2005–2018. (ekstern lenke)
• Beyer, Kathrin; Lie, Stein Atle; Bjørndal, Bodil et al. (2021). Lipid, fatty acid, carnitine- and choline derivative profiles in rheumatoid arthritis outpatients with different degrees of periodontal inflammation. (ekstern lenke)
• Åstrøm, Anne-Kristine N; Lie, Stein Atle; Mastrovito, Berit et al. (2021). Avoidance of dental appointment due to cost and consequences for oral health-related quality of life: 25-yr follow-up of Swedish adults. (ekstern lenke)
• Ulvik, Ingvild Marie; Sæthre, Terje; Bunæs, Dagmar Fosså et al. (2021). A 12-month randomized controlled trial evaluating erythritol air-polishing versus curette/ultrasonic debridement of mandibular furcations in supportive periodontal therapy. (ekstern lenke)
• Lind, Kristian Hamill; Bunæs, Dagmar Fosså; Lie, Stein Atle et al. (2021). Periodontal referral patterns in Norway: 2003 versus 2018. (ekstern lenke)
• Kvist, Knut Birger; Hilland, Ronnie; Enehaug, Rune et al. (2021). The treatment effect of intramuscular stimulation on carpal tunnel syndrome: A blinded randomized trial on 75 patients. (ekstern lenke)
• Feng, Xin; Lie, Stein Atle; Hellén-halme, Kristina et al. (2021). The effect of rapid maxillary expansion on upper airway morphology: a retrospective comparison of patients with a normal vs patients with an enlarged adenoid.. (ekstern lenke)
• Feng, Xin; Chen, Yicheng; Cai, Weihua et al. (2021). Aerodynamic characteristics in upper airways among orthodontic patients and its association with adenoid nasopharyngeal ratios in lateral cephalograms. (ekstern lenke)
• Brattabø, Ingfrid Vaksdal; Lie, Stein Atle; Åstrøm, Anne Nordrehaug (2021). Dental health personnel’s experience with receiving inquiries from child welfare services: a national cross-sectional study. (ekstern lenke)
• Birungi, Nancy; Fadnes, Lars T.; Engebretsen, Ingunn Marie Stadskleiv et al. (2021). Caries experience by socio-behavioural characteristics in HIV-1-infected and uninfected Ugandan mothers – a multilevel analysis. (ekstern lenke)
• Mukilvannan, Ghajanaa; Gjengedal, Gudveig Cecilie Gjerde; Schriwer, Christian et al. (2021). An 8- to 10-Year Follow-up of Denture Satisfaction and Oral Health-Related Quality of Life with Implant-Retained Mandibular Overdentures. (ekstern lenke)
• Xenaki, Victoria; Cuida Marthinussen, Ileana Mihaela; Costea, Daniela Elena et al. (2021). Predicting intention of Norwegian dental health-care workers to use nanomaterials: An application of the augmented theory of planned behavior. (ekstern lenke)

2020

• Fischer, Johannes Maria; Skeie, Marit Slåttelid; Rosendahl, Karen et al. (2020). Prevalence of temporomandibular disorder in children and adolescents with juvenile idiopathic arthritis – a Norwegian cross- sectional multicentre study. (ekstern lenke)
• Pedersen, Alma B.; Mailhac, Aurélie; Garland, Anne et al. (2020). Similar early mortality risk after cemented compared with cementless total hip arthroplasty for primary osteoarthritis: data from 188,606 surgeries in the Nordic Arthroplasty Register Association database. (ekstern lenke)
• Rahman, Mohummad Aminur; Brekke, Jorunn; Arnesen, Victoria Smith et al. (2020). Sequential bortezomib and temozolomide treatment promotes immunological responses in glioblastoma patients with positive clinical outcomes: A phase 1B study. (ekstern lenke)
• Fahlstedt, Peter; Bunæs, Dagmar; Lie, Stein Atle et al. (2020). Dental implant surface temperatures following double wavelength (2780/940 nm) laser irradiation in vitro. (ekstern lenke)
• Trela-Larsen, L; Kroken, Gard; Bartz-Johannessen, Christoffer et al. (2020). Personalized estimation of one-year mortality risk after elective hip or knee arthroplasty for osteoarthritis. (ekstern lenke)
• Birungi, Nancy; Fadnes, Lars T.; Engebretsen, Ingunn Marie S. et al. (2020). Association of maternal HIV‐1 severity with dental caries: an observational study of uninfected 5‐ to 7‐yr‐old children of HIV‐1‐infected mothers without severe immune suppression. (ekstern lenke)
• Birungi, Nancy; Fadnes, Lars T.; Engebretsen, Ingunn Marie S. et al. (2020). Caries experience and oral health related quality of life in a cohort of Ugandan HIV-1 exposed uninfected children compared with a matched cohort of HIV unexposed uninfected children. (ekstern lenke)
• Gagnat, Ane Aamli; Gjerdevik, Miriam; Lie, Stein Atle et al. (2020). Acute exacerbations of COPD and risk of lung cancer in COPD patients with and without a history of asthma. (ekstern lenke)
• Gil, Elisabeth Grut; Skeie, Marit Slåttelid; Luukko, Keijo et al. (2020). Oral Health Related Quality of Life in Juvenile Idiopathic Arthritis. (ekstern lenke)
• Åstrøm, Anne Nordrehaug; Lie, Stein Atle; Özkaya, Ferda (2020). Influences of behaviour and attitude on education related inequality in tooth loss: findings from Norway and Sweden over 5 years of follow- up. (ekstern lenke)
• Dybvik, Eva Hansen; Furnes, Ove; Havelin, Leif Ivar et al. (2020). A prospective study on cancer risk after total hip replacements for 41,402 patients linked to the Cancer registry of Norway. (ekstern lenke)
• Sfeatcu, Ruxandra; Lie, Stein Atle; Funieru, Christi et al. (2020). The reliability and validity of the Romanian rapid estimate of adult literacy in dentistry (RREALD-30) . (ekstern lenke)

2019

• Rahman, Mohummad Aminur; Gras Navarro, Andrea; Brekke, Jorunn et al. (2019). Bortezomib administered prior to temozolomide depletes MGMT, chemosensitizes glioblastoma with unmethylated MGMT promoter and prolongs animal survival. (ekstern lenke)
• Fahlstedt, Peter; Bunæs, Dagmar Fosså; Lie, Stein Atle et al. (2019). Dental implant temperature measurements during calibrated irradiation with dual wavelength laser.. (ekstern lenke)
• Lie, Stein Atle; Reichelm, Inken; Lygre, Gunvor Bentung et al. (2019). Data fra Helfo og Norsk pasientskadeerstatning gir liten informasjon om kvalitet og omfang av behandling med tannimplantater i Norge. (ekstern lenke)
• Gil, Elisabeth Grut; Åstrøm, Anne Nordrehaug; Fischer, Johannes Maria et al. (2019). Perceived dental attractiveness in children and adolescents with and without Juvenile Idiopathic Arthritis . (ekstern lenke)
• Kvalheim, Siri Flagestad; Marthinussen, Mihaela Cuida; Strand, Gunhild V. et al. (2019). Effectiveness of three oral moisturizers in palliative care patients. (ekstern lenke)
• Kvalheim, Siri Flagestad; Marthinussen, Mihaela Cuida; Strand, Gunhild V. et al. (2019). Effectiveness of three oral moisturizers in palliative care patients. (ekstern lenke)
• Hassan, Mohamad Nageeb; Yassin, Mohammed Ahmed; Suliman, Salwa et al. (2019). The bone regeneration capacity of 3D-printed templates in calvarial defect models: A systematic review and meta-analysis. (ekstern lenke)
• Sveinsdottir, Vigdis; Lie, Stein Atle; Bond, Gary R. et al. (2019). Individual placement and support for young adults at risk of early work disability (the SEED trial). A randomized controlled trial. (ekstern lenke)
• Bartz-Johannessen, Christoffer; Furnes, Ove; Fenstad, Anne Marie et al. (2019). Homogeneity in prediction of survival probabilities for subcategories of hipprosthesis data: The nordic arthroplasty register association, 2000-2013. (ekstern lenke)
• Berge, Trine Lise Lundekvam; Lygre, Gunvor Bentung; Lie, Stein Atle et al. (2019). Bisphenol A in human saliva and urine before and after treatment with dental polymer‐based restorative materials. (ekstern lenke)
• Kvalheim, Siri Flagestad; Cuida Marthinussen, Ileana Mihaela; Haugen, Dagny Faksvåg et al. (2019). Randomized controlled trial of the effectiveness of three different oral moisturizers in palliative care patients. (ekstern lenke)
• Dale, Håvard; Børsheim, Sjur; Kristensen, Torbjørn et al. (2019). Fixation, sex and age: highest risk of revision for uncemented stems in elderly women- data from 66,995 primary total hip arthroplasties in the Norwegian arthroplasty register.. (ekstern lenke)
• Pedersen, Alma B.; Andersen, Ina Trolle; Overgaard, Søren et al. (2019). Optimal duration of anticoagulant thromboprophylaxis in total hip arthroplasty: new evidence in 55,540 patients with osteoarthritis from the Nordic Arthroplasty Register Association (NARA) group. (ekstern lenke)
• Birungi, Nancy; Fadnes, Lars T.; Engebretsen, Ingunn Marie S. et al. (2019). Oral Health in Ugandan HIV exposed and unexposed uninfected children. (ekstern lenke)
• Bernabe, Eduardo; Lie, Stein Atle; Mastrovito, Berit et al. (2019). Childhood negative dental experience and tooth loss in later life: a 25 year longitudinal study in Sweden . (ekstern lenke)
• Reme, Silje Endresen; Monstad, Karin; Fyhn, Tonje et al. (2019). A randomized controlled multicenter trial of individual placement and support for patients with moderate-to-severe mental illness. (ekstern lenke)
• Dale, Håvard; Børsheim, Sjur; Kristensen, Torbjørn et al. (2019). Perioperative, short, and long-term mortality related to fixation in primary total hip arthroplasty: a study of 79,557 patients in the Norwegian Arthroplasty Register. (ekstern lenke)

2018

• Haugland, Linn; Kristensen, Kasper Dahl; Lie, Stein Atle et al. (2018). The effect of biologic factors and adjunctive therapies on orthodontically induced inflammatory root resorption: a systematic review and meta-analysis. (ekstern lenke)
• Gharaei, Maryam Alizadeh; Xue, Ying; Mustafa, Kamal Babikeir Eln et al. (2018). Human dental pulp stromal cell conditioned medium alters endothelial cell behavior. (ekstern lenke)
• Krukhaug, Yngvar; Halland, Geir; Dybvik, Eva Hansen et al. (2018). A survivorship study of 838 total elbow replacements: a report from the Norwegian Arthroplasty Register 1994-2016. (ekstern lenke)
• Mohamed-Ahmed, Samih ; Fristad, Inge; Lie, Stein Atle et al. (2018). Adipose-derived and bone marrow mesenchymal stem cells: a donor-matched comparison. (ekstern lenke)
• Lygre, Gunvor Bentung; Aase, Heidi; Haug, Kjell et al. (2018). Prenatal exposure to dental amalgam and risk of symptoms of attention-deficit and hyperactivity disorder (ADHD). (ekstern lenke)
• Beyer, Kathrin; Lie, Stein Atle; Kjellevold, Marian et al. (2018). Marine ω-3, vitamin D levels, disease outcome and periodontal status in rheumatoid arthritis outpatients. (ekstern lenke)
• Åstrøm, Anne Nordrehaug; Lie, Stein Atle; Gülcan, Ferda (2018). Applying the theory of planned behavior to self-report dental attendance in Norwegian adults through structural equation modelling approach. (ekstern lenke)
• Becirovic, Aida; Abdi-Dezfuli, Jenny Fariba; Hansen, Marianne Frøysa et al. (2018). The effects of a probiotic milk drink on bacterial composition in the supra- and subgingival biofilm: a pilot study. (ekstern lenke)
• Røsland, Anders; Eikås, Fredrik Espelund; Leknes, Knut N. et al. (2018). Snusbruk blant 10.-klassinger : forekomst og oppfatning av egen helse . (ekstern lenke)
• Lie, Stein Atle (2018). Oral implantatbehandling er en vellykket behandling med få komplikasjoner. (ekstern lenke)
• Åstrøm, Anne Nordrehaug; Lie, Stein Atle; Ekbäck, Gunnar et al. (2018). Self-reported dry mouth among ageing people: a longitudinal, cross-national study. (ekstern lenke)
• Kvalheim, Siri Flagestad; Xenaki, Victoria; Kvalheim, Arild et al. (2018). Effect of glycerol on reconstructed human oral mucosa. (ekstern lenke)
• Brendbekken, Randi; Eriksen, Hege Randi; Lie, Stein Atle et al. (2018). Multidisciplinary intervention versus brief intervention in specialist healthcare. Attempting to improve outcomes for patients on sick leave with musculoskeletal pain. (ekstern lenke)
• Bunæs, Dagmar Fosså; Røsland, Anders; Eikås, Fredrik Espelund et al. (2018). Snus use among young Norwegian students-predicting factors and impact on health perceptions . (ekstern lenke)
• Leknes, Knut N.; Sæthre, Terje; Ulvik, Ingvild Marie et al. (2018). Erythritol air-polishing versus curette/ultrasonic debridement of mandibular furcations during supportive periodontal therapy. (ekstern lenke)
• Berge, Trine Lise Lundekvam; Lygre, Gunvor Bentung; Lie, Stein Atle et al. (2018). Polymer-based dental filling materials placed during pregnancy and risk to the foetus. (ekstern lenke)

2017

• Harris, Anette; Moe, Trygve Fredrik; Eriksen, Hege Randi et al. (2017). Brief intervention, physical exercise and cognitive behavioural group therapy for patients with chronic low back pain (The CINS trial). (ekstern lenke)
• Lie, Stein Atle; Tveito, Torill Helene; Reme, Silje Endresen et al. (2017). IQ and mental health are vital predictors of work drop out and early mortality. Multi-state analyses of Norwegian male conscripts. (ekstern lenke)

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