[Mechanism of perforation in chronic stomach- and duodenal ulcers].
D004381:Duodenal Ulcer; D006801:Humans; D013270:Stomach; D013276:Stomach Ulcer; D014456:Ulcer
STOMACH/ulcer, perforated
Mekhanizm perforacii khronicheskoi iazvy zheludka i dvenadcatiperstnoi kishki.