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Holm PI, Hustad S, Ueland PM, Vollset SE, Grotmol T, Schneede J. Modulation of the homocysteine-betaine relationship by methylenetetrahydrofolate reductase 677 C->t genotypes and B-vitamin status in a large-scale epidemiological study. J Clin Endocrinol Metab. 2007 Apr;92(4):1535–41. doi: 10.1210/jc.2006-1471. PMID: 17284634. |