[CLINICO-STATISTICAL STUDIES ON PERFORATED GASTRIC AND DUODENAL ULCER].
D000007:Abdominal Injuries; D004381:Duodenal Ulcer; D010439:Peptic Ulcer Perforation; D012621:Seasons; D013223:Statistics as Topic; D013272:Stomach Diseases; D013276:Stomach Ulcer; D013514:Surgical Procedures, Operative; D013898:Thoracic Injuries
DUODENAL ULCER; PEPTIC ULCER PERFORATION; SEASONS; STATISTICS; STOMACH ULCER; SURGERY, OPERATIVE
KLINICZNO-STATYSTYCZNE BADANIA PRZEDZIURAWIONEGO WRZODU ZOL ADKA I DWUNASTNICY.