title: B vitamins and homocysteine.
mesh_terms: D004359:Drug Therapy, Combination; D005492:Folic Acid / Q000627:therapeutic use*; D006710:Homocysteine / Q000097:blood; D006801:Humans; D020138:Hyperhomocysteinemia / Q000188:drug therapy*; D020521:Stroke / Q000097:blood; D014805:Vitamin B 12 / Q000627:therapeutic use*; D025101:Vitamin B 6 / Q000627:therapeutic use*
chemical_list: D006710:Homocysteine; D025101:Vitamin B 6; D005492:Folic Acid; D014805:Vitamin B 12