Journal of Aging Studies · 2008 · 124 citations · 32 references
Advanced Old AgeAgingGeriatricsHealthy AgingMedicineMidlife HealthHealth BehaviorHealth PerceptionSocial Determinants Of HealthPublic HealthEpidemiology Of AgingHealth Status
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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
A Theory of Social Comparison Processes
Léon Festinger · Human Relations · 1954 · 19.8K citations