[Perforated gastro-duodenal ulcer; analysis of 28 cases, 1951-1953].
D004381:Duodenal Ulcer; D006801:Humans; D010439:Peptic Ulcer Perforation
PEPTIC ULCER/perforation
Ulcera gastro-duodenal perfurada; análises de 28 casos, 1951-1953.