[Gastro-duodenal ulcer in the field of internal medicine, with special reference to the area of internal medicine and surgery].
D006801:Humans; D007388:Internal Medicine; D010437:Peptic Ulcer / Q000150:complications / Q000209:etiology / Q000601:surgery / Q000628:therapy; D010438:Peptic Ulcer Hemorrhage / Q000150:complications; D010439:Peptic Ulcer Perforation / Q000150:complications; D011707:Pyloric Stenosis / Q000150:complications; D013274:Stomach Neoplasms / Q000150:complications