An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Kelly-Hayes M, Wolf PA, Kannel WB, Sytkowski P, D'Agostino RB, Gresham GE.Kelly-Hayes M, et al.Arch Phys Med Rehabil. 1988 Jun;69(6):415-8.Arch Phys Med Rehabil. 1988.PMID: 3377666
Kelly-Hayes M, Jette AM, Wolf PA, D'Agostino RB, Odell PM.Kelly-Hayes M, et al.Am J Public Health. 1992 Jun;82(6):841-5. doi: 10.2105/ajph.82.6.841.Am J Public Health. 1992.PMID: 1533995Free PMC article.