Digestive disease as a national problem. 3. Social cost of peptic ulcer.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D006233:Persons with Disabilities; D004467:Economics; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000401:mortality; D012189:Retrospective Studies; D012959:Socioeconomic Factors; D014481:United States