Source:http://linkedlifedata.com/resource/umls/id/C0013295
MSH: A PEPTIC ULCER located in the DUODENUM.,CSP: peptic ulcer located in the duodenum, the shortest and widest portion of the small intestine adjacent to the pylorus of the stomach.,NCI: A disorder characterized by a circumscribed, inflammatory and necrotic erosive lesion on the mucosal surface of the duodenal wall.,NCI: An ulcer in the duodenal wall.