Letter: Cyanocobalamin.
D000818:Animals; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D002417:Cattle; D006801:Humans; D014805:Vitamin B 12 / Q000627:therapeutic use*; D014806:Vitamin B 12 Deficiency / Q000188:drug therapy
D000900:Anti-Bacterial Agents; D014805:Vitamin B 12