title: Natural history of peptic ulcer in children. Five-year prospective endoscopic examinations. Part I. Incidence and clinical symptoms.
authors.forename: E
authors.initials: E
authors.lastname: Michałowicz-Wojczyńska
authors.forename: P
authors.initials: P
authors.lastname: Swiatkowski
authors.forename: M
authors.initials: M
authors.lastname: Teisseyre
mesh_terms: D000293:Adolescent; D002648:Child; D004384:Duodenoscopy; D005260:Female; D005773:Gastroscopy; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000175:diagnosis / Q000453:epidemiology*; D011446:Prospective Studies