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.
Grant PJ, Wesorick DH.Grant PJ, et al. Among authors: wesorick dh.Med Clin North Am. 2008 Mar;92(2):325-48, viii. doi: 10.1016/j.mcna.2007.10.003.Med Clin North Am. 2008.PMID: 18298982Review.