title: [Diagnostic quiz. Stomach pain with a long history. Double pylorus].
authors.affiliation: DRK-Krankenhaus Westerwald, Hachenburg.
authors.forename: P
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D003937:Diagnosis, Differential; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011708:Pylorus / Q000002:abnormalities* / Q000473:pathology