RELATION between vitamin B12 and macrocytic anemia.
D000740:Anemia / Q000628:therapy*; D000748:Anemia, Macrocytic; D006397:Hematinics; D014805:Vitamin B 12 / Q000627:therapeutic use*; D014803:Vitamin B Complex
D006397:Hematinics; D014803:Vitamin B Complex; D014805:Vitamin B 12
ANEMIA, HYPERCHROMIC/therapy; VITAMIN B12/therapeutic use