title: [Undefined periumbilical pain].
authors.affiliation: Medizinische Klinik III, Universitätsklinikum der RWTH, Aachen.
authors.forename: H N
authors.initials: HN
authors.lastname: Nguyen
mesh_terms: D015746:Abdominal Pain / Q000209:etiology* / Q000628:therapy; D000328:Adult; D002908:Chronic Disease; D003109:Colonic Diseases, Functional / Q000175:diagnosis / Q000628:therapy; D006801:Humans; D008297:Male; D010348:Patient Care Team; D012008:Recurrence; D013001:Somatoform Disorders / Q000175:diagnosis / Q000628:therapy