title: A teenager with X-linked agammaglobulinemia and vitamin B12 deficiency anemia.
authors.affiliation: Outpatient Pediatric Office, Hamburg, Germany. GMLackmann.Praxis@t-online.de
authors.forename: G M
authors.initials: GM
authors.lastname: Lackmann
authors.forename: V
authors.initials: V
authors.lastname: Wahn
authors.forename: C
authors.initials: C
authors.lastname: Poremba
authors.forename: T
authors.initials: T
authors.lastname: Niehues
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis / Q000601:surgery; D000293:Adolescent; D000328:Adult; D000361:Agammaglobulinemia / Q000150:complications* / Q000235:genetics; D000752:Anemia, Pernicious / Q000188:drug therapy / Q000209:etiology; D005743:Gastrectomy; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis / Q000601:surgery; D040181:Genetic Diseases, X-Linked / Q000150:complications* / Q000235:genetics; D006801:Humans; D008297:Male; D012008:Recurrence; D014805:Vitamin B 12 / Q000627:therapeutic use*; D014806:Vitamin B 12 Deficiency / Q000188:drug therapy / Q000209:etiology*
chemical_list: D014805:Vitamin B 12