[PERFORATING PEPTIC ULCERS].
D004381:Duodenal Ulcer; D005743:Gastrectomy; D005763:Gastroenterostomy; D006801:Humans; D010439:Peptic Ulcer Perforation; D013276:Stomach Ulcer
DUODENAL ULCER; GASTRECTOMY; GASTROENTEROSTOMY; PEPTIC ULCER PERFORATION; STOMACH ULCER
PROBODNYE PEPTICHESKIE IAZVY.