PRIMARY GASTRECTOMY FOR PERFORATED PEPTIC ULCER, WITH FOLLOW-UP STUDIES.
D000293:Adolescent; D004381:Duodenal Ulcer; D005500:Follow-Up Studies; D005743:Gastrectomy; D005853:Geriatrics; D006801:Humans; D010439:Peptic Ulcer Perforation; D013223:Statistics as Topic; D013276:Stomach Ulcer
ADOLESCENCE; DUODENAL ULCER; GASTRECTOMY; GERIATRICS; PEPTIC ULCER PERFORATION; STATISTICS; STOMACH ULCER