title: Cobalamin deficiency in elderly patients.
authors.forename: Jonathan E
authors.initials: JE
authors.lastname: Prousky
mesh_terms: D000126:Achlorhydria / Q000150:complications / Q000188:drug therapy*; D006801:Humans; D006851:Hydrochloric Acid / Q000627:therapeutic use*; D008286:Malabsorption Syndromes / Q000188:drug therapy / Q000209:etiology; D014805:Vitamin B 12 / Q000627:therapeutic use*; D014806:Vitamin B 12 Deficiency / Q000188:drug therapy* / Q000209:etiology
chemical_list: D014805:Vitamin B 12; D006851:Hydrochloric Acid