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.
Serovich JM, Oliver DG, Smith SA, Mason TL.Serovich JM, et al.AIDS Patient Care STDS. 2005 Dec;19(12):823-32. doi: 10.1089/apc.2005.19.823.AIDS Patient Care STDS. 2005.PMID: 16375614Free PMC article.