title: Letter by Powers et al regarding article, "Riboflavin lowers homocysteine in individuals homozygous for the MTHFR 677C-->T polymorphism".
authors.forename: Hilary J
authors.initials: HJ
authors.lastname: Powers
authors.forename: Ian F W
authors.initials: IF
authors.lastname: McDowell
authors.forename: Stuart J
authors.initials: SJ
authors.lastname: Moat
mesh_terms: D006710:Homocysteine / Q000097:blood*; D006720:Homozygote; D006801:Humans; D042965:Methylenetetrahydrofolate Reductase (NADPH2) / Q000235:genetics*; D017720:Molecular Epidemiology; D011110:Polymorphism, Genetic; D012256:Riboflavin / Q000494:pharmacology*; D018401:Sample Size; D006113:United Kingdom / Q000453:epidemiology
chemical_list: D006710:Homocysteine; D042965:Methylenetetrahydrofolate Reductase (NADPH2); D012256:Riboflavin