title: [Perforation of nonspecific ulcers of the small intestine].
authors.forename: A G
authors.initials: AG
authors.lastname: Kriger
authors.forename: K E
authors.initials: KE
authors.lastname: Rzhebaev
authors.forename: I L
authors.initials: IL
authors.lastname: Andreĭtsev
authors.forename: E M
authors.initials: EM
authors.lastname: Levin
mesh_terms: D005260:Female; D006801:Humans; D007410:Intestinal Diseases / Q000473:pathology* / Q000601:surgery; D007416:Intestinal Perforation / Q000473:pathology* / Q000601:surgery; D007421:Intestine, Small / Q000473:pathology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D014456:Ulcer / Q000473:pathology* / Q000601:surgery