Homocysteine and cardiovascular risk: considering the evidence in the context of study design, folate fortification, and statistical power. by Ueland, P, Clarke, R

Facts and recommendations about total homocysteine determinations: an expert opinion by Refsum, H, Smith, A, Ueland, P, Nexo, E, Clarke, R, al., E

Folate, vitamin B12, and serum total homocysteine levels in confirmed Alzheimer disease. by Clarke, R, Smith, A, Jobst, K, Refsum, H, Sutton, L, Ueland, P

Betaine concentration as a determinant of fasting total homocysteine concentrations and the effect of folic acid supplementation on betaine concentrations. by Melse-Boonstra, A, Holm, P, Ueland, P, Olthof, M, Clarke, R, Verhoef, P

Kynurenine pathway metabolites in Alzheimer's disease. by Giil, L, Midttun, Ø, Refsum, H, Ulvik, A, Advani, R, Smith, A, Ueland, P

The association of betaine, homocysteine and related metabolites with cognitive function in Dutch elderly people. by Eussen, S, Ueland, P, Clarke, R, Blom, H, Hoefnagels, W, van Staveren, W, de Groot, L

Oral cyanocobalamin supplementation in older people with vitamin B12 deficiency: a dose-finding trial. by Eussen, S, de Groot, L, Clarke, R, Schneede, J, Ueland, P, Hoefnagels, W, van Staveren, W

Plasma total homocysteine and memory in the elderly: the Hordaland Homocysteine Study. by Nurk, E, Refsum, H, Tell, G, Engedal, K, Vollset, SE, Ueland, P, Nygaard, H, Smith, A

Variability and determinants of total homocysteine concentrations in plasma in an elderly population. by Clarke, R, Woodhouse, P, Ulvik, A, Frost, C, Sherliker, P, Refsum, H, Ueland, P, Khaw, K

Low vitamin B-12 status and risk of cognitive decline in older adults. by Clarke, R, Birks, J, Nexo, E, Ueland, P, Schneede, J, Scott, J, Molloy, A, Evans, J

Determinants of plasma methylmalonic acid in a large population: implications for assessment of vitamin B12 status. by Vogiatzoglou, A, Oulhaj, A, Smith, A, Nurk, E, Drevon, C, Ueland, P, Vollset, SE, Tell, G, Refsum, H

Dietary sources of vitamin B-12 and their association with plasma vitamin B-12 concentrations in the general population: the Hordaland Homocysteine Study. by Vogiatzoglou, A, Smith, A, Nurk, E, Berstad, P, Drevon, C, Ueland, P, Vollset, SE, Tell, G, Refsum, H

Folate and vitamin B12 status in relation to cognitive impairment and anaemia in the setting of voluntary fortification in the UK. by Clarke, R, Sherliker, P, Hin, H, Molloy, A, Nexo, E, Ueland, P, Emmens, K, Scott, J, Evans, J

Metabolic profiling in Maturity-onset diabetes of the young (MODY) and young onset type 2 diabetes fails to detect robust urinary biomarkers. by Gloyn, A, Faber, J, Malmodin, D, Thanabalasingham, G, Lam, F, Ueland, P, McCarthy, M, Owen, K, Baunsgaard, D

Cysteine, homocysteine and bone mineral density: a role for body composition? by Elshorbagy, A, Gjesdal, C, Nurk, E, Tell, G, Ueland, P, Nygård, O, Tverdal, A, Vollset, SE, Smith, A, Refsum, H

The hordaland homocysteine study: A community-based study of homocysteine, its determinants, and associations with disease by Refsum, H, Nurk, E, Smith, A, Ueland, P, Gjesdal, C, Bjelland, I, Tverdal, A, Tell, G, Nygard, O, Vollset, SE

Relations of glutamate carboxypeptidase II (GCPII) polymorphisms to folate and homocysteine concentrations and to scores of cognition, anxiety, and depression in a homogeneous Norw... by Halsted, C, Wong, D, Peerson, J, Warden, C, Refsum, H, Smith, A, Nygård, O, Ueland, P, Vollset, SE, Tell, G

Evaluation of the technical performance of novel holotranscobalamin (holoTC) assays in a multicenter European demonstration project. by Morkbak, A, Heimdal, R, Emmens, K, Molloy, A, Hvas, A, Schneede, J, Clarke, R, Scott, J, Ueland, P, Nexo, E

Effect of oral vitamin B-12 with or without folic acid on cognitive function in older people with mild vitamin B-12 deficiency: a randomized, placebo-controlled trial. by Eussen, S, de Groot, L, Joosten, L, Bloo, R, Clarke, R, Ueland, P, Schneede, J, Blom, H, Hoefnagels, W, van Staveren, W

Interactions between plasma concentrations of folate and markers of vitamin B(12) status with cognitive performance in elderly people not exposed to folic acid fortification: the H... by Doets, E, Ueland, P, Tell, G, Vollset, S, Nygård, O, Van'T Veer, P, De Groot, L, Nurk, E, Refsum, H, Smith, A, Eussen, S