The Supplement on Aging to the 1984 National Health Interview Survey.
Fitti
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Kovar
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D000368:Aged; D000375:Aging; D006306:Health Surveys; D006801:Humans; D007407:Interviews as Topic; D008875:Middle Aged; D011159:Population Surveillance; D012494:Sampling Studies; D011795:Surveys and Questionnaires; D014481:United States