Vitamin B-12 and cognition in the elderly : Is it time for mandatory vitamin B-12 fortification in flour ?SMITH, A. David; REFSUM, Helga.The American journal of clinical nutrition. 2009, Vol 89, Num 2, issn 0002-9165, 707S-711SArticle

Detection of single-nucleotide polymorphisms by PCR with universal energy transfer-labeled primers : Application to folate- and cobalamin-related genesWARDEN, Donald R; REFSUM, Helga.Clinical chemistry (Baltimore, Md.). 2005, Vol 51, Num 9, pp 1713-1716, issn 0009-9147, 4 p.Article

Variation in plasma cystathionine and its relation to changes in plasma concentrations of homocysteine and methionine in healthy subjects during a 24-h observation periodGUTTORMSEN, Anne B; SOLHEIM, Einar; REFSUM, Helga et al.The American journal of clinical nutrition. 2004, Vol 79, Num 1, pp 76-79, issn 0002-9165, 4 p.Article

Folate and cobalamin status in relation to breastfeeding and weaning in healthy infantsHAY, Gry; JOHNSTON, Carole; WHITELAW, Andrew et al.The American journal of clinical nutrition. 2008, Vol 88, Num 1, pp 105-114, issn 0002-9165, 10 p.Article

Folate and cobalamin status in relation to diet in healthy 2-y-old childrenHAY, Gry; TRYGG, Kerstin; WHITELAW, Andrew et al.The American journal of clinical nutrition. 2011, Vol 93, Num 4, pp 727-735, issn 0002-9165, 9 p.Article

Holotranscobalamin and total transcobalamin in human plasma : Determination, determinants, and reference values in healthy adultsREFSUM, Helga; JOHNSTON, Carole; GUTTORMSEN, Anne Berit et al.Clinical chemistry (Baltimore, Md.). 2006, Vol 52, Num 1, pp 129-137, issn 0009-9147, 9 p.Article

Uracil in human DNA from subjects with normal and impaired folate status as determined by high-performance liquid chromatography: Tandem mass spectrometryJICUN REN; ULVIK, Arve; REFSUM, Helga et al.Analytical chemistry (Washington, DC). 2002, Vol 74, Num 1, pp 295-299, issn 0003-2700Article

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

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

Folate, vitamin B₁₂, homocysteine, and the MTHFR 677C→T polymorphism in anxiety and depression: The Hordaland Homocysteine StudyBJELLAND, Ingvar; TELL, Grethe S; VOLLSET, Stein Emil et al.Archives of general psychiatry. 2003, Vol 60, Num 6, pp 618-626, issn 0003-990X, 9 p.Article

Cognitive and clinical outcomes of homocysteine-lowering B-vitamin treatment in mild cognitive impairment: a randomized controlled trialDE JAGER, Celeste A; OULHAJ, Abderrahim; JACOBY, Robin et al.International journal of geriatric psychiatry. 2012, Vol 27, Num 6, pp 592-600, issn 0885-6230, 9 p.Article

Predictors of serum ferritin and serum soluble transferrin receptor in newborns and their associations with iron status during the first 2 y of lifeHAY, Gry; REFSUM, Helga; WHITELAW, Andrew et al.The American journal of clinical nutrition. 2007, Vol 86, Num 1, pp 64-73, issn 0002-9165, 10 p.Article

Hematological parameters and cobalamin status in infants born to smoking mothersBJØRKE MONSEN, Anne-Lise; VOLLSET, Stein Emil; REFSUM, Helga et al.Biology of the neonate. 2004, Vol 85, Num 4, pp 249-255, issn 0006-3126, 7 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

Maternal Folate and Cobalamin Status Predicts Vitamin Status in Newborns and 6-Month-Old InfantsHAY, Gry; CLAUSEN, Torun; WHITELAW, Andrew et al.The Journal of nutrition. 2010, Vol 140, Num 3, pp 557-564, issn 0022-3166, 8 p.Article

Cobalamin status and its biochemical markers methylmalonic acid and homocysteine in different age groups from 4 days to 19 yearsMONSEN, Anne-Lise Bjørke; REFSUM, Helga; MARKESTAD, Trond et al.Clinical chemistry (Baltimore, Md.). 2003, Vol 49, Num 12, pp 2067-2075, issn 0009-9147, 9 p.Article

Cobalamin and folate status predicts mental development scores in North Indian children 12―18 mo of ageSTRAND, Tor A; TANEJA, Sunita; UELAND, Per M et al.The American journal of clinical nutrition. 2013, Vol 97, Num 2, pp 310-317, issn 0002-9165, 8 p.Article

Poor Folate Status Predicts Persistent Diarrhea in 6- to 30-Month-Old North Indian ChildrenMANGER, Mari S; TANEJA, Sunita; STRAND, Tor A et al.The Journal of nutrition. 2011, Vol 141, Num 12, pp 2226-2232, issn 0022-3166, 7 p.Article

Circulating Folate, Vitamin B₁₂, Homocysteine, Vitamin B₁₂ Transport Proteins, and Risk of Prostate Cancer: a Case-Control Study, Systematic Review, and Meta-analysisCOLLIN, Simon M; METCALFE, Chris; JOHNSTON, Carole et al.Cancer epidemiology, biomarkers & prevention. 2010, Vol 19, Num 6, pp 1632-1642, issn 1055-9965, 11 p.Article

Intake of Flavonoid-Rich Wine, Tea, and Chocolate by Elderly Men and Women Is Associated with Better Cognitive Test PerformanceNURK, Eha; REFSUM, Helga; DREVON, Christian A et al.The Journal of nutrition. 2009, Vol 139, Num 1, pp 120-127, issn 0022-3166, 8 p.Article

Folate, but not vitamin B-12 status, predicts respiratory morbidity in north Indian childrenSTRAND, Tor A; TANEJA, Sunita; BHANDARI, Nita et al.The American journal of clinical nutrition. 2007, Vol 86, Num 1, pp 139-144, issn 0002-9165, 6 p.Article

Betaine as a determinant of postmethionine load total plasma homocysteine before and after B-vitamin supplementationHOLM, Pal I; BLEIE, Øyvind; UELAND, Per M et al.Arteriosclerosis, thrombosis, and vascular biology. 2004, Vol 24, Num 2, pp 301-307, issn 1079-5642, 7 p.Article

Changes in basal and postmethionine load concentrations of total homocysteine and cystathionine after B vitamin interventionBLEIE, Øyvind; REFSUM, Helga; UELAND, Per Magne et al.The American journal of clinical nutrition. 2004, Vol 80, Num 3, pp 641-648, issn 0002-9165, 8 p.Article