title: [Association of a perforated ulcer with gastroduodenal hemorrhage].
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000150:complications*; D010439:Peptic Ulcer Perforation / Q000150:complications*
vernacular_title: O sochetanii probodeniĭ iazv s gastroduodenal'nym krovotecheniem.