title: The role of endoscopy in childhood chronic abdominal pain.
authors.forename: Mohammad
authors.initials: M
authors.lastname: El Mouzan
authors.forename: Asaad
authors.initials: A
authors.lastname: Assiri
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D004382:Duodenitis / Q000175:diagnosis*; D004724:Endoscopy; D004941:Esophagitis / Q000175:diagnosis*; D005260:Female; D005756:Gastritis / Q000175:diagnosis*; D006801:Humans; D008297:Male