Current estimates from the National Health Interview Survey: United States, 1981.
D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D006296:Health Services / Q000706:statistics & numerical data; D006306:Health Surveys; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D012621:Seasons; D012737:Sex Factors; D011795:Surveys and Questionnaires; D014481:United States