title: [Diagnosis of perforated gastroduodenal ulcers].
mesh_terms: D000208:Acute Disease; D001064:Appendicitis / Q000175:diagnosis; D003951:Diagnostic Errors; D004381:Duodenal Ulcer / Q000150:complications*; D006801:Humans; D010439:Peptic Ulcer Perforation / Q000175:diagnosis*; D011187:Posture; D013276:Stomach Ulcer / Q000150:complications*
vernacular_title: K diagnostike probodnykh gastroduodenal'nykh iazv.