title: [Chronic peptic ulcer of the duodenal bulb in an adolescent, complicated by penetration into the large intestine].
mesh_terms: D000293:Adolescent; D004386:Duodenum; D006801:Humans; D007420:Intestine, Large; D010437:Peptic Ulcer; D010439:Peptic Ulcer Perforation
keywords: PEPTIC ULCER PERFORATION/in adolescence