title: [Oral treatment of vitamin B12 deficiency].
authors.forename: Jon
authors.initials: J
authors.lastname: Haffner
mesh_terms: D000284:Administration, Oral; D006801:Humans; D014805:Vitamin B 12 / Q000008:administration & dosage*; D014806:Vitamin B 12 Deficiency / Q000188:drug therapy*
chemical_list: D014805:Vitamin B 12