title: Recurrent abdominal pain.
authors.forename: I
authors.initials: I
authors.lastname: Mavromichalis
authors.forename: T
authors.initials: T
authors.lastname: Zaramboukas
mesh_terms: D015746:Abdominal Pain / Q000209:etiology* / Q000523:psychology; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004382:Duodenitis / Q000150:complications* / Q000175:diagnosis; D016099:Endoscopy, Gastrointestinal; D004941:Esophagitis / Q000150:complications* / Q000175:diagnosis; D005756:Gastritis / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D012008:Recurrence