Key points are not available for this paper at this time.
Journal Article 1 Physical Disability in Older Americans Jack M. Guralnik, Jack M. Guralnik National Institute on AgingBethesda, Maryland Search for other works by this author on: Oxford Academic PubMed Google Scholar Eleanor M. Simonsick Eleanor M. Simonsick National Institute on AgingBethesda, Maryland Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Gerontology, Volume 48, Issue SpecialIssue, September 1993, Pages 3–10, https: //doi. org/10. 1093/geronj/48. SpecialIssue. 3 Published: 01 September 1993
Guralnik et al. (Wed,) studied this question.