The Journals of Gerontology Series A · 2008 · 477 citations · 24 references
Our findings suggest that weakness may serve as a warning sign of increasing vulnerability in early frailty development, and weight loss and exhaustion may help to identify women most at risk for rapid adverse progression.
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Frailty in Older Adults: Evidence for a Phenotype
Linda P. Fried, Catherine M. Tangen, Jeremy Walston et al. · The Journals of Gerontology Series A · 2001 · 23.5K citations · Full text