title: [Perforation of nonspecific ulcers of the small intestine].
mesh_terms: D000328:Adult; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology*; D007421:Intestine, Small / Q000601:surgery; D008297:Male; D008875:Middle Aged; D014456:Ulcer / Q000150:complications*
vernacular_title: O perforatsii nespetsificheskikh iazv tonkogo kishechnika