Toward an understanding of frailty.
Hamerman
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Resnick Gerontology Center, Albert Einstein College of Medicine, Bronx, NY 10467, USA.
D000203:Activities of Daily Living; D000368:Aged; D000375:Aging / Q000502:physiology*; D016330:Frail Elderly; D006304:Health Status; D006801:Humans; D012660:Semantics