[Complication of gastric and duodenal ulcer by perforation and hemorrhage].
D004381:Duodenal Ulcer; D006470:Hemorrhage; D006801:Humans; D010439:Peptic Ulcer Perforation
PEPTIC ULCER/perforation
K voprosu ob oslozhenii iazvennoi bolezni zheludka i dvenadtsatiperstnoi kishki perforatsiei i krovotecheniem.