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.
Gruber-Baldini AL, Stuart B, Zuckerman IH, Simoni-Wastila L, Miller R.Gruber-Baldini AL, et al.J Am Geriatr Soc. 2007 Oct;55(10):1508-16. doi: 10.1111/j.1532-5415.2007.01387.x. Epub 2007 Aug 28.J Am Geriatr Soc. 2007.PMID: 17727648
Blanchette CM, Simoni-Wastila L, Zuckerman IH, Stuart B.Blanchette CM, et al.Ann Epidemiol. 2008 Apr;18(4):316-21. doi: 10.1016/j.annepidem.2007.11.004. Epub 2008 Feb 8.Ann Epidemiol. 2008.PMID: 18261924