Age and Ageing · 2012 · 18 citations · 30 references
unexpectedly, functional limitations were not most common in the sample from Russia, the country with the highest mortality rates. All socioeconomic measures were strongly associated with functional limitations and made some contribution towards explaining differences in limitations between populations.
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Bulletin of the World Health Organization
Kevin D. Frick, Matthew Lynch, Sheila K. West et al. · Bulletin of the World Health Organization · 2003 · 2.6K citations · Full text
Family Medicine, World Health Organization, Household Willingness +20
The SF36 health survey questionnaire: an outcome measure suitable for routine use within the NHS?
Andrew Garratt, Danny Ruta, M Abdalla et al. · BMJ · 1993 · 1.1K citations · Full text