Prevalence of selected chronic digestive conditions.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002908:Chronic Disease; D005260:Female; D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D005770:Gastrointestinal Neoplasms / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012959:Socioeconomic Factors; D014481:United States