On perforated gastric and duodenal ulcer, with particular reference to the sex difference.
D000007:Abdominal Injuries; D004381:Duodenal Ulcer; D006801:Humans; D010439:Peptic Ulcer Perforation; D012723:Sex; D012727:Sex Characteristics; D013272:Stomach Diseases; D013898:Thoracic Injuries
PEPTIC ULCER PERFORATION; SEX