title: Prevention of vitamin B-12 deficiency in old age.
authors.forename: R
authors.initials: R
authors.lastname: Clarke
mesh_terms: D000368:Aged; D002318:Cardiovascular Diseases / Q000517:prevention & control*; D019587:Dietary Supplements; D005492:Folic Acid / Q000008:administration & dosage; D005527:Food, Fortified; D006710:Homocysteine / Q000097:blood*; D006801:Humans; D012307:Risk Factors; D014805:Vitamin B 12 / Q000008:administration & dosage*; D014806:Vitamin B 12 Deficiency / Q000453:epidemiology / Q000517:prevention & control*
chemical_list: D006710:Homocysteine; D005492:Folic Acid; D014805:Vitamin B 12