title: [PERFORATION OF PEPTIC ULCER: NONSTANDARD SITUATIONS AND NONSTANDARD DECISIONS].
authors: S G
authors: SG
authors: Belov
authors: T I
authors: TI
authors: Tamm
authors: I N
authors: IN
authors: Mamontov
authors: V V
authors: VV
authors: Nepomnyashchiy
mesh_terms: D000368:Aged; D019468:Disease Management; D005122:Exudates and Transudates / Q000378:metabolism; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D010439:Peptic Ulcer Perforation / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D011859:Radiography