Editorial: Natural history of gastric ulcer.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D012606:Scotland; D012737:Sex Factors; D013274:Stomach Neoplasms / Q000150:complications; D013276:Stomach Ulcer / Q000453:epidemiology / Q000401:mortality