title: [Chronic functional abdominal pain in children and adolescents].
authors.affiliation: Pädiatrische Gastroenterologie, Klinikum Links der Weser, Bremen. martin.classen@klinikum-bremen-ldw.de
authors.forename: Martin
authors.initials: M
authors.lastname: Classen
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D002648:Child; D002908:Chronic Disease; D003937:Diagnosis, Differential; D016099:Endoscopy, Gastrointestinal; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D014463:Ultrasonography