[On gastroduodenal hemorrhages].
D000328:Adult; D000368:Aged; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000150:complications / Q000209:etiology / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage
O gastroduodenal'nykh krovotecheniiakh.