Vitenskapelig artikkel

• Alsing, Christian Lillebø; Igland, Jannicke; Nystad, Tone Wikene et al. (2025). Trends in stroke occurrence in rheumatoid arthritis: a retrospective cohort study from Western Norway, 1972 through 2020. (ekstern lenke)
• Alsing, Christian Lillebø; Nystad, Tone Wikene; Igland, Jannicke et al. (2022). Trends in the occurrence of ischaemic heart disease over time in rheumatoid arthritis: 1821 patients from 1972 to 2017. (ekstern lenke)
• Brekke, Lene Kristin; Fevang, Bjørg-Tilde Svanes; Diamantopoulos, Andreas P et al. (2020). Risk of cancer in 767 patients with giant cell arteritis in Western Norway: a retrospective cohort with matched controls. (ekstern lenke)
• Brekke, Lene Kristin; Fevang, Bjørg-Tilde Svanes; Diamantopoulos, Andreas P et al. (2019). Survival and death causes of patients with giant cell arteritis in Western Norway 1972-2012: a retrospective cohort study. (ekstern lenke)
• Sande, Jon Sigurd; Ulvik, Arve; Midttun, Øivind et al. (2019). Vitamin B-6 Status Correlates with Disease Activity in Rheumatoid Arthritis Patients During Treatment with TNFα Inhibitors. (ekstern lenke)
• Solbakken, Siri Marie; Magnus, Jeanette H.; Meyer, Haakon E et al. (2019). Urban–Rural Differences in Hip Fracture Mortality: A Nationwide NOREPOS Study. (ekstern lenke)
• Bader, Lucius; Gullaksen, Stein-Erik; Blaser, Nello et al. (2019). Candidate markers for stratification and classification in rheumatoid arthritis. (ekstern lenke)
• Rinke, Hege Selheim; Gjesdal, Clara Gram; Markussen, Heidi Øksnes et al. (2019). Patient-reported fatigue in patients with rheumatoid arthritis who commence biologic therapy: A longitudinal study. (ekstern lenke)
• Ikdahl, Eirik; Rollefstad, Silvia Christin Hellerud; Wibetoe, Grunde et al. (2018). Feasibility of cardiovascular disease risk assessments in rheumatology outpatient clinics: Experiences from the nationwide NOCAR project. (ekstern lenke)
• Steihaug, Ole Martin; Gjesdal, Clara Gram; Bogen, Bård Erik et al. (2018). Does sarcopenia predict change in mobility after hip fracture? A multicenter observational study with one-year follow-up. (ekstern lenke)
• Lopez, Maria Garcia; Bønaa, Kaare; Ebbing, Marta et al. (2017). B Vitamins and Hip Fracture: Secondary Analyses and Extended Follow-Up of Two Large Randomized Controlled Trials. (ekstern lenke)
• Brekke, Lene Kristin; Diamantopoulos, Andreas P; Fevang, Bjørg-Tilde Svanes et al. (2017). Incidence of giant cell arteritis in Western Norway 1972-2012: A retrospective cohort study. (ekstern lenke)
• Øyen, Jannike; Gjesdal, Clara Gram; Karlsson, Therese et al. (2017). Dietary choline intake is directly associated with bone mineral density in the Hordaland Health Study. (ekstern lenke)
• Selland, Mette; Smeland, Knut Bjøro; Bjøro, Trine et al. (2017). Bone mineral density is close to normal for age in long-term lymphoma survivors treated with high-dose therapy with autologous stem cell transplantation. (ekstern lenke)
• Steihaug, Ole Martin; Gjesdal, Clara Gram; Bogen, Bård Erik et al. (2017). Sarcopenia in patients with hip fracture: A multicenter cross-sectional study. (ekstern lenke)
• Bader, Lucius; Solberg, Silje Michelsen; Kaada, Silje Katrine Helland et al. (2017). Assays for Infliximab Drug Levels and Antibodies: A Matter of Scales and Categories. (ekstern lenke)
• Graff, Ingvild Eide; Øyen, Jannike; Malde, Marian Kjellevold et al. (2016). Reduced bone resorption by intake of dietary vitamin D and K from tailor-made Atlantic salmon: A randomized intervention trial. (ekstern lenke)
• Steihaug, Ole Martin; Gjesdal, Clara Gram; Bogen, Bård Erik et al. (2016). Identifying low muscle mass in patients with hip fracture: Validation of bioelectrical impedance analysis and anthropometry compared to dual energy X-ray absorptiometry. (ekstern lenke)
• Surowiec, Izabella; Gjesdal, Clara Gram; Jonsson, Grete et al. (2016). Metabolomics study of fatigue in patients with rheumatoid arthritis naïve to biological treatment. (ekstern lenke)
• Søgaard, Anne-Johanne; Holvik, Kristin; Meyer, Haakon E et al. (2016). Continued decline in hip fracture incidence in Norway: a NOREPOS study. (ekstern lenke)
• Finnes, Trine Elisabeth; Lofthus, Cathrine Marie; Meyer, Haakon E et al. (2016). A combination of low serum concentrations of vitamins K1 and D is associated with increased risk of hip fractures in elderly Norwegians: a NOREPOS study. (ekstern lenke)
• Øyen, Jannike; Svingen, Gard Frodahl Tveitevåg; Gjesdal, Clara Gram et al. (2015). Plasma dimethylglycine, nicotine exposure and risk of low bone mineral density and hip fracture: the Hordaland Health Study. (ekstern lenke)
• Omsland, Tone Kristin; Eisman, John A.; Næss, Øyvind et al. (2015). Educational inequalities in post-hip fracture mortality: a NOREPOS studys. (ekstern lenke)
• Holvik, Kristin; Ahmed, Luai Awad; Forsmo, Siri et al. (2015). No increase in risk of hip fracture at high serum retinol concentrations in community-dwelling older Norwegians: the Norwegian Epidemiologic Osteoporosis Studies. (ekstern lenke)
• Apalset, Ellen M; Gjesdal, Clara Gram; Ueland, Per Magne et al. (2014). Interferon gamma (IFN-γ)-mediated inflammation and the kynurenine pathway in relation to risk of hip fractures: The Hordaland Health Study. (ekstern lenke)
• Apalset, Ellen M; Gjesdal, Clara Gram; Ueland, Per Magne et al. (2014). Interferon (IFN)-γ-mediated inflammation and the kynurenine pathway in relation to bone mineral density: The Hordaland Health Study. (ekstern lenke)
• Omsland, Tone Kristin; Emaus, Nina; Tell, Grethe Seppola et al. (2014). Mortality following the first hip fracture in Norwegian women and men (1999-2008): A NOREPOS study. (ekstern lenke)
• Øyen, Jannike; Nygård, Ottar; Gjesdal, Clara Gram et al. (2014). Plasma choline, nicotine exposure, and risk of low bone mineral density and hip fracture: the Hordaland Health Study. (ekstern lenke)
• Søgaard, Anne-Johanne; Meyer, Haakon E; Emaus, Nina et al. (2014). Cohort profile: Norwegian Epidemiologic Osteoporosis Studies (NOREPOS). (ekstern lenke)
• Øyen, Jannike; Gjesdal, Clara Gram; Nygård, Ottar et al. (2014). Smoking and body fat mass in relation to bone mineral density and hip fracture: The Hordaland Health Study. (ekstern lenke)
• Holvik, Kristin; Gjesdal, Clara Gram; Tell, Grethe Seppola et al. (2014). Low serum concentrations of alpha-tocopherol are associated with increased risk of hip fracture. A NOREPOS study. (ekstern lenke)
• Winther, Anne; Dennison, Elaine; Ahmed, Luai Awad et al. (2014). The Tromsø Study: Fit Futures: a study of Norwegian adolescents' lifestyle and bone health. (ekstern lenke)
• Vinknes, Kathrine; Elshorbagy, Amany K.; Drevon, Christian A et al. (2013). Evaluation of the body adiposity index in a caucasian population: the Hordaland Health Study. (ekstern lenke)
• Emaus, Nina; Nguyen, Nguyen D.; Almås, Bjørg et al. (2013). Serum level of under-carboxylated osteocalcin and bone mineral density in early menopausal Norwegian women. (ekstern lenke)
• Holvik, Kristin; Ahmed, Luai Awad; Forsmo, Siri et al. (2013). Low Serum Levels of 25-Hydroxyvitamin D Predict Hip Fracture in the Elderly: A NOREPOS Study. (ekstern lenke)
• Omsland, Tone Kristin; Emaus, Nina; Tell, Grethe S et al. (2013). Ten-year risk of second hip fracture. A NOREPOS study. (ekstern lenke)
• Vinknes, Kathrine; Elshorbagy, Amany K; Nurk, Eha et al. (2013). Plasma stearoyl-CoA desaturase indices: Association with lifestyle, diet and body composition. (ekstern lenke)
• Omsland, Tone Kristin; Holvik, Kristin; Meyer, Haakon E et al. (2012). Hip fractures in Norway 1999-2008: time trends in total incidence and second hip fracture rates. A NOREPOS study. (ekstern lenke)
• Apalset, Ellen M; Gjesdal, Clara Gram; Eide, Geir Egil et al. (2011). Intake of vitamin K1 and K2 and risk of hip fractures: The Hordaland Health Study. (ekstern lenke)
• Omsland, Tone Kristin; Ahmed, Luai; Grønskag, Anna Brenne et al. (2011). More forearm fractures among urban than rural women: The NOREPOS study based on the Tromsø study and the HUNT study. (ekstern lenke)
• Vinknes, Kathrine; Vogel, Stefan De; Elshorbagy, Amany K et al. (2011). Dietary intake of protein is positively associated with percent body fat in middle-aged and older adults. (ekstern lenke)
• Øyen, Jannike; Brudvik, Christina; Gjesdal, Clara Gram et al. (2011). Osteoporosis as a Risk Factor for Distal Radial Fractures A Case-Control Study. (ekstern lenke)
• Emaus, Nina; Nguyen, Nguyen; Almås, Bjørg et al. (2011). Serum level of under-carboxylated osteocalcin and bone mineral density in early menopausal Norwegian women. (ekstern lenke)
• Øyen, Jannike; Apalset, Ellen M; Gjesdal, Clara Gram et al. (2011). Vitamin D inadequacy is associated with low-energy distal radius fractures: A case-control study. (ekstern lenke)
• Christensen, Anne Elisabeth; Knappskog, Per Morten; Midtbø, Marit et al. (2010). Brittle Cornea Syndrome Associated with a Missense Mutation in the Zinc-Finger 469 Gene. (ekstern lenke)
• Emaus, Nina; Gjesdal, Clara G; Almås, Bjørg et al. (2010). Vitamin K2 supplementation does not infuence bone loss in early menopausal women: a randomised double-blind placebo-controlled trial. (ekstern lenke)
• Apalset, Ellen M; Gjesdal, Clara Gram; Eide, Geir Egil et al. (2010). Dietary vitamins K1, K2 and bone mineral density; The Hordaland Health Study. (ekstern lenke)
• Øyen, Jannike; Gjesdal, Clara Gram; Brudvik, Christina et al. (2010). Low-energy distal radius fractures in middle-aged and elderly men and women-the burden of osteoporosis and fracture risk. (ekstern lenke)
• Emaus, Nina; Gjesdal, Clara Gram; Almås, Bjørg et al. (2009). Vitamin K2 supplementation does not influence bone loss in early menopausal women: a randomised double-blind placebo-controlled trial. (ekstern lenke)
• Omsland, TK; Gjesdal, Clara G; Emaus, Nina et al. (2009). Regional differences in hip bone mineral density levels in Norway: the NOREPOS study. (ekstern lenke)
• Elshorbagy, Amany K; Gjesdal, Clara Gram; Nurk, Eha et al. (2009). Cysteine, homocysteine and bone mineral density: A role for body composition?. (ekstern lenke)
• Omsland, TK; Schei, B; Grønskag, AB et al. (2009). Weight loss and distal forearm fractures in postmenopausal women. (ekstern lenke)
• Løvås, Kristian; Gjesdal, Clara G; Christensen, Monica et al. (2009). Glucocorticoid replacement therapy and pharmacogenetics in Addison's disease: effects on bone. (ekstern lenke)
• Omsland, Tone K; Emaus, Nina; Gjesdal, Clara G et al. (2008). In vivo and in vitro comparison of densitometers in the NOREPOS study. (ekstern lenke)
• Elshorbagy, Amany K.; Nurk, Eha; Gjesdal, Clara Gram et al. (2008). Homocysteine, cysteine, and body composition in the Hordaland Homocysteine Study: does cysteine link amino acid and lipid metabolism?. (ekstern lenke)
• Omsland, Tone Kristin; Gjesdal, Clara Gram; Emaus, Nina et al. (2008). Regional differences in hip bone mineral density levels in Norway. The NOREPOS Study. (ekstern lenke)
• Gjesdal, Clara Gram; Halse, Johan I.; Eide, Geir Egil et al. (2008). Impact of lean mass and fat mass on bone mineral density: The Hordaland Health Study. (ekstern lenke)
• Vesterhus, Mette; Ræder, Helge; Aurlien, Harald et al. (2008). Neurological features and enzyme therapy in patients with endocrine and exocrine pancreas dysfunction due to CEL mutations. (ekstern lenke)
• Gjesdal, Clara Gram; Vollset, Stein Emil; Ueland, Per Magne et al. (2007). Plasma homocysteine, folate, and vitamin B-12 and the risk of hip fracture: The hordaland homocysteine study. (ekstern lenke)
• Refsum, Helga; Nurk, Eha; Smith, A.D. et al. (2006). The hordaland homocysteine study: A community-based study of homocysteine, its determinants, and associations with disease. (ekstern lenke)
• Gjesdal, Clara G.; Vollset, Stein Emil; Ueland, Per Magne et al. (2006). Plasma total homocysteine level and bone mineral density - The Hordaland homocysteine study. (ekstern lenke)
• Haga, Hans-Jacob; Gjesdal, Clara Gram; Irgens, Lorentz et al. (2005). Reproduction and gynaecological manifestations in women with primary Sjogren's syndrome: a case-control study. (ekstern lenke)
• Haga, Hans-Jacob; Gjesdal, Clara Gram; Koksvik, Hege Svean et al. (2005). Pregnancy outcome in patients with primary Sjögren's syndrome. A case-control study. (ekstern lenke)
• Haga, Hans-Jacob; Gjesdal, Clara Gram; Irgens, Lorentz M et al. (2005). Reproduction and gynaecological manifestations in women with primary Sjögren’s syndrome: a case-control study. (ekstern lenke)
• Haga, Hans-Jacob; Gjesdal, Clara Gram; Koksvik, Hege Svean et al. (2005). Pregnancy outcome in patients with Primary Sjögren's Syndrome. A Case-Control Study. (ekstern lenke)
• Våge, Villy; Gjesdal, Clara Gram; Eide, G.E. et al. (2004). Bone Mineral Density in Females after Jejunoileal Bypass: A 25-year Folow-up Study. (ekstern lenke)
• Gjesdal, Clara Gram; Aanderud, Sylvi; Haga, Hans Jacob et al. (2004). Femoral and whole-body bone mineral density in middle-aged and older Norwegian men and women: suitability of the reference values. (ekstern lenke)

Errata

• Brekke, Lene Kristin; Diamantopoulos, Andreas P; Fevang, Bjørg-Tilde Svanes et al. (2018). Correction to: Incidence of giant cell arteritis in Western Norway 1972-2012: a retrospective cohort study. (ekstern lenke)

Vitenskapelig foredrag

• Solberg, Lene Bergendal; Frihagen, Frede; Basso, Trude et al. (2017). Updates on the Norwegian Capture the Fracture® Initiative (NoFRACT). (ekstern lenke)
• Winther, Anne; Ahmed, Luai Awad; Furberg, Anne-Sofie et al. (2013). Does physical activity influence adolescents´bone mineral density with equal effect at all BMI levels? Fit Futures 2010-2011, The Tromsø Study. (ekstern lenke)
• Holvik, Kristin; Samuelsen, Sven Ove; Ahmed, Luai Awad et al. (2012). Low serum levels of vitamins D and A predict hip fracture in the elderly. A multicenter case-cohort study within the Norwegian Epidemiologic Osteoporosis Studies (NOREPOS). (ekstern lenke)
• Holvik, Kristin; Ahmed, Luai A.; Blomhoff, Rune et al. (2012). Vitamin D status in home-dwelling elderly across Norway and prospective risk of hip fracture. A case-cohort study within the Norwegian Epidemiologic Osteoporosis Studies (NOREPOS). (ekstern lenke)

Poster

• Winther, Anne; Dennison, EM; Ahmed, Luai Awad et al. (2014). Growing up in the Arctic - no disadvantage for bone. Fit Futures, The Tromsø Study. (ekstern lenke)
• Winther, Anne; Dennison, EM; Ahmed, Luai Awad et al. (2013). Adolescents´lifestyle and bone health - what about the young bones in Norway?. (ekstern lenke)
• Holvik, Kristin; Ahmed, Luai A.; Blomhoff, Rune et al. (2012). Vitamin D status and the risk of hip fracture in elderly in Norway. A four-center case-cohort study within the Norwegian Epidemiologic Osteoporosis Studies (NOREPOS). (ekstern lenke)

Leserinnlegg

• Øyen, Jannike; Gjesdal, Clara Gram; Brudvik, Christina et al. (2010). Evidence-based" or "logic-based" medicine?: response to Blank et al. (ekstern lenke)

Doktorgradsavhandling

• Gjesdal, Clara Gram; Tell, Grethe S; Brun, Johan G (2007). Epidemiological studies of osteoporosis in Hordaland. Issues related to body composition and B-vitamins. (ekstern lenke)

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