title: Vitamin B 12 injections.
mesh_terms: D000284:Administration, Oral; D006801:Humans; D007275:Injections, Intravenous; D014805:Vitamin B 12 / Q000008:administration & dosage*; D014806:Vitamin B 12 Deficiency / Q000188:drug therapy
chemical_list: D014805:Vitamin B 12