The influence of site on the natural history of gastric ulceration.
D000328:Adult; D000367:Age Factors; D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D005500:Follow-Up Studies; D005750:Gastric Juice / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology; D010439:Peptic Ulcer Perforation / Q000150:complications; D011859:Radiography; D012008:Recurrence; D013270:Stomach / Q000033:anatomy & histology; D013276:Stomach Ulcer / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D013997:Time Factors; D014945:Wound Healing