title: [Ulcerous gastro-duodenal bleeding in middle-aged and elderly persons].
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis / Q000628:therapy
vernacular_title: Iazvennye gastro-duodenal'nye krovotecheniia u lits pozhilogo i starcheskogo vozrasta.