Current estimates from the Health Interview Survey. United States - 1974.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006296:Health Services / Q000706:statistics & numerical data; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D014481:United States