title: Oral vitamin B12 therapy: a cautionary note.
authors.forename: Lawrence R
authors.initials: LR
authors.lastname: Solomon
mesh_terms: D000284:Administration, Oral; D002626:Chemistry, Pharmaceutical; D003692:Delayed-Action Preparations; D006801:Humans; D007408:Intestinal Absorption; D014805:Vitamin B 12 / Q000008:administration & dosage / Q000493:pharmacokinetics / Q000627:therapeutic use*
chemical_list: D003692:Delayed-Action Preparations; D014805:Vitamin B 12