[Profuse ulcerative hemorrhages in middle-aged and elderly patients].
D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000453:epidemiology*
Profuznye iazvennye krovotecheniia u bol'nykh pozhilogo i starcheskogo vozrasta.