The realities of aging.
Butler
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RN
D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000523:psychology*; D001294:Attitude to Health; D003625:Data Collection; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D012179:Retirement / Q000523:psychology; D014481:United States