[The clinical aspects of perforation of gastric- and duodenal ulcers in adolescents].
D000293:Adolescent; D005260:Female; D006801:Humans; D008297:Male; D010439:Peptic Ulcer Perforation / Q000175:diagnosis*
Klinika probodnoĭ iazvy zheludka i dvenadtsatiperstnoĭ kishki u iunosheĭ.