title: Assessment of physical performance and disability in older persons.
authors.affiliation: Epidemiology, Demography, and Biometry Program, National Institute on Aging, Bethesda, MD 20892, USA.
authors.forename: J M
authors.initials: JM
authors.lastname: Guralnik
mesh_terms: D000368:Aged / Q000502:physiology*; D004185:Disability Evaluation; D006801:Humans; D013647:Task Performance and Analysis