[2 perforating duodenal ulcers in an 8-year-old boy].
D002648:Child; D004381:Duodenal Ulcer / Q000601:surgery*; D006801:Humans; D008297:Male; D010439:Peptic Ulcer Perforation / Q000601:surgery*
Dve probodnye iazvy dvenadtsatiperstnoĭ kishki u mal'chika 8 let.