Factors determining performance of bronchodilator reversibility tests in middle-aged and elderlyLEHMANN, Sverre; VOLLSET, Stein E; NYGAARD, Harald A et al.Respiratory medicine. 2004, Vol 98, Num 11, pp 1071-1079, issn 0954-6111, 9 p.Article

Maternal epilepsy and offsprings' adult intelligence : A population-based study from NorwayØYEN, Nina; VOLLSET, Stein E; EIDE, Martha G et al.Epilepsia (Copenhagen). 2007, Vol 48, Num 9, pp 1731-1738, issn 0013-9580, 8 p.Article

Plasma total cysteine, mortality, and cardiovascular disease hospitalizations: The Hordaland Homocysteine StudyEL-KHAIRY, Lina; VOLLSET, Stein E; REFSUM, Helga et al.Clinical chemistry (Baltimore, Md.). 2003, Vol 49, Num 6, pp 895-900, issn 0009-9147, 6 p., 1Article

Plasma vitamin B-6 forms and their relation to transsulfuration metabolites in a large, population-based studylMIDTTUN, Øivind; HUSTAD, Steinar; SCHNEEDE, Jørn et al.The American journal of clinical nutrition. 2007, Vol 86, Num 1, pp 131-138, issn 0002-9165, 8 p.Article

Plasma total cysteine, pregnancy complications, and adverse pregnancy outcomes : the Hordaland Homocysteine studyEL-KHAIRY, Lina; VOLLSET, Stein E; REFSUM, Helga et al.The American journal of clinical nutrition. 2003, Vol 77, Num 2, pp 467-472, issn 0002-9165, 6 p.Article

Predictors of change in plasma total cysteine: Longitudinal findings from the Hordaland Homocysteine StudyEL-KHAIRY, Lina; VOLLSET, Stein E; REFSUM, Helga et al.Clinical chemistry (Baltimore, Md.). 2003, Vol 49, Num 1, pp 113-120, issn 0009-9147, 8 p.Article

Plasma total cysteine as a risk factor for vascular disease : The European concerted action projectEL-KHAIRY, Lina; UELAND, Per M; REFSUM, Helga et al.Circulation (New York, N.Y.). 2001, Vol 103, Num 21, pp 2544-2549, issn 0009-7322Article

Associations between maternal methylenetetrahydrofolate reductase polymorphisms and adverse outcomes of pregnancy: The hordaland homocysteine studyNURK, Eha; TELL, Grethe S; REFSUM, Helga et al.The American journal of medicine. 2004, Vol 117, Num 1, pp 26-31, issn 0002-9343, 6 p.Article

Choline in anxiety and depression: the Hordaland Health StudyBJELLAND, Ingvar; TELL, Grethe S; VOLLSET, Stein E et al.The American journal of clinical nutrition. 2009, Vol 90, Num 4, pp 1056-1060, issn 0002-9165, 5 p.Article

Dietary patterns, food groups, and nutrients as predictors of plasma choline and betaine in middle-aged and elderly men and womenKONSTANTINOVA, Svetlana V; TELL, Grethe S; VOLLSET, Stein E et al.The American journal of clinical nutrition. 2008, Vol 88, Num 6, pp 1663-1669, issn 0002-9165, 7 p.Article

Patterns and predictors of folic acid supplement use among pregnant women : the Norwegian Mother and Child Cohort StudyNILSEN, Roy M; VOLLSET, Stein E; GJESSING, Hakon K et al.The American journal of clinical nutrition. 2006, Vol 84, Num 5, pp 1134-1141, issn 0002-9165, 8 p.Article

Registration completeness in the Norwegian Arthroplasty RegisterESPEHAUG, Birgitte; FURNES, Ove; HAVELIN, Leif I et al.Acta orthopaedica (Print). 2006, Vol 77, Num 1, pp 49-56, issn 1745-3674, 8 p.Article

Changes in lifestyle and plasma total homocysteine: the Hordaland Homocysteine StudyNURK, Eha; TELL, Grethe S; VOLLSET, Stein E et al.The American journal of clinical nutrition. 2004, Vol 79, Num 5, pp 812-819, issn 0002-9165, 8 p.Article

The Norwegian Arthroplasty Register : 11 years and 73,000 arthroplastiesHAVELIN, Leif I; ENGESAETER, Lars B; ESPEHAUG, Birgitte et al.Acta orthopaedica Scandinavica. 2000, Vol 71, Num 4, pp 337-353, issn 0001-6470Article

Plasma total homocysteine is influenced by prandial status in humans: The Hordaland homocysteine studyNURK, Eha; TELL, Grethe S; NYGARD, Ottar et al.The Journal of nutrition. 2001, Vol 131, Num 4, pp 1214-1216, issn 0022-3166Article

Congenital anomalies in newborns of women with type 1 diabetes: nationwide population-based study in Norway, 1999-2004EIDEM, Ingvild; STENE, Lars C; HENRIKSEN, Tore et al.Acta obstetricia et gynecologica scandinavica. 2010, Vol 89, Num 11, pp 1403-1411, issn 0001-6349, 9 p.Article

High intake of energy, sucrose, and polyunsaturated fatty acids is associated with increased risk of preeclampsiaCLAUSEN, Torun; SLOTT, Malene; SOLVOLL, Kari et al.American journal of obstetrics and gynecology. 2001, Vol 185, Num 2, pp 451-458, issn 0002-9378Conference Paper

Interferon-γ-Induced Inflammatory Markers and the Risk of Cancer: The Hordaland Health StudyHUI ZUO; TELL, Grethe S; VOLLSET, Stein E et al.Cancer. 2014, Vol 120, Num 21, pp 3370-3377, issn 0008-543X, 8 p.Article

Folic Acid and Multivitamin Supplement Use and Risk of Placental Abruption : A Population-based Registry StudyNILSEN, Roy M; VOLLSET, Stein E; RASMUSSEN, Svein A et al.American journal of epidemiology. 2008, Vol 167, Num 7, pp 867-874, issn 0002-9262, 8 p.Article

Long- and Short-term Effects of Tobacco Smoking on Circulating Concentrations of B VitaminsULVIK, Arve; EBBING, Marta; UELAND, Per M et al.Clinical chemistry (Baltimore, Md.). 2010, Vol 56, Num 5, pp 755-763, issn 0009-9147, 9 p.Article

Cognitive performance among the elderly and dietary fish intake : the Hordaland Health StudyNURK, Eha; DREVON, Christian A; REFSUM, Helga et al.The American journal of clinical nutrition. 2007, Vol 86, Num 5, pp 1470-1478, issn 0002-9165, 9 p.Article

Hyperhomocysteinemia and elevated methylmalonic acid indicate a high prevalence of cobalamin deficiency in Asian Indians. Editorial commentREFSUM, Helga; YAJNIK, Chinaranjan S; UELAND, Per M et al.The American journal of clinical nutrition. 2001, Vol 74, Num 2, pp 157-159, issn 0002-9165, 12 p.Article

Plasma free choline, betaine and cognitive performance: the Hordaland Health StudyNURK, Eha; REFSUM, Helga; BJELLAND, Ingvar et al.British journal of nutrition. 2013, Vol 109, Num 3, pp 511-519, issn 0007-1145, 9 p.Article

Use of folic acid supplements in early pregnancy in relation to maternal plasma levels in week 18 of pregnancyROTH, Christine; BJØRKE-MONSEN, Anne L; MAGNUS, Per et al.Molecular nutrition & food research (Print). 2013, Vol 57, Num 4, pp 653-660, issn 1613-4125, 8 p.Article

Determinants of Plasma Methylmalonic Acid in a Large Population: Implications for Assessment of Vitamin B₁₂ StatusVOGIATZOGLOU, Anna; OULHAJ, Abderrahim; SMITH, A. David et al.Clinical chemistry (Baltimore, Md.). 2009, Vol 55, Num 12, pp 2198-2206, issn 0009-9147, 9 p.Article