title: Oral folic acid and vitamin B-12 supplementation to prevent cognitive decline.
authors.forename: Lei
authors.initials: L
authors.lastname: Feng
mesh_terms: D003072:Cognition Disorders / Q000517:prevention & control*; D003863:Depression / Q000188:drug therapy*; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D011939:Mental Recall / Q000187:drug effects*; D013315:Stress, Psychological; D014805:Vitamin B 12 / Q000627:therapeutic use*; D014803:Vitamin B Complex / Q000627:therapeutic use*
chemical_list: D014803:Vitamin B Complex; D005492:Folic Acid; D014805:Vitamin B 12