title: [Vitamin B 12 deficiency].
authors.affiliation: Klinik und Poliklinik für Innere Medizin, Universitätsspital Zürich. andreas.burkhart@usz.ch
authors.forename: A
authors.initials: A
authors.lastname: Burkhart
authors.forename: P
authors.initials: P
authors.lastname: Krayenbühl
authors.forename: P
authors.initials: P
authors.lastname: Suter
mesh_terms: D000284:Administration, Oral; D001706:Biopsy; D003430:Cross-Sectional Studies; D003937:Diagnosis, Differential; D005753:Gastric Mucosa / Q000473:pathology; D005756:Gastritis / Q000150:complications / Q000175:diagnosis / Q000473:pathology; D005773:Gastroscopy; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D008875:Middle Aged; D009751:Nutritional Requirements; D012307:Risk Factors; D014805:Vitamin B 12 / Q000008:administration & dosage; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis* / Q000188:drug therapy / Q000209:etiology
chemical_list: D014805:Vitamin B 12