Timofeev, M E [Combination of endoscopic methods in diagnostics and surgical treatment of perforative duodenal ulcer]. [electronic resource] - Khirurgiia 2016 - 32-39 p. digital Publication Type: English Abstract; Journal Article ISSN: 0023-1207 Standard No.: 10.17116/hirurgia2016332-39 doi Subjects--Topical Terms: Duodenal Ulcer--diagnosisEndoscopy, Digestive System--adverse effectsFemaleHumansLaparoscopy--adverse effectsMaleMiddle AgedPeptic Ulcer Perforation--diagnosisPostoperative Complications--epidemiologySurvival AnalysisTreatment Outcome