title: Vitamin B12 injections for the elderly.
authors.forename: F
authors.initials: F
authors.lastname: Anello
mesh_terms: D000368:Aged; D003362:Cost-Benefit Analysis; D006801:Humans; D009864:Ontario; D014805:Vitamin B 12 / Q000008:administration & dosage* / Q000191:economics; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis / Q000188:drug therapy* / Q000191:economics
chemical_list: D014805:Vitamin B 12