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.
Horstman AM, Dillon EL, Urban RJ, Sheffield-Moore M.Horstman AM, et al. Among authors: urban rj.J Gerontol A Biol Sci Med Sci. 2012 Nov;67(11):1140-52. doi: 10.1093/gerona/gls068. Epub 2012 Mar 26.J Gerontol A Biol Sci Med Sci. 2012.PMID: 22451474Free PMC article.Review.
Wolfe R, Ferrando A, Sheffield-Moore M, Urban R.Wolfe R, et al.Mayo Clin Proc. 2000 Jan;75 Suppl:S55-9; discussion S59-60.Mayo Clin Proc. 2000.PMID: 10959218Review.