[Masked gastric and duodenal perforations in peptic ulcer].
D004381:Duodenal Ulcer; D006801:Humans; D010437:Peptic Ulcer; D010439:Peptic Ulcer Perforation
PEPTIC ULCER
Prikrytye perforatsii iazvy zheludka i dvenadtsatiperstnoi kishki.