title: [Characteristics of stenosing and perforating duodenal ulcers].
mesh_terms: D004381:Duodenal Ulcer / Q000150:complications* / Q000503:physiopathology; D005753:Gastric Mucosa / Q000378:metabolism; D006801:Humans; D010439:Peptic Ulcer Perforation / Q000503:physiopathology*; D011707:Pyloric Stenosis / Q000503:physiopathology*; D013270:Stomach / Q000503:physiopathology
vernacular_title: Nekotorye osobennosti stenoziruiushchikh i penetriruiushchikh duodenal'nykh iazv.