title: [Characteristics of clinical course and outcome of surgical treatment of peptic ulcer perforation in patients over 50 years of age].
mesh_terms: D000367:Age Factors; D000368:Aged; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D010439:Peptic Ulcer Perforation / Q000175:diagnosis / Q000601:surgery
vernacular_title: Osobennosti klinicheskoĭ kartiny i iskhody khirurgicheskogo lecheniia probadnykh iazy zheludka i dvenadtsatiperstnoi kishki u bol'nykh starshe 50 let