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.
Nelsen A, Trautner BW, Petersen NJ, Gupta S, Rodriguez-Barradas M, Giordano TP, Naik AD.Nelsen A, et al. Among authors: trautner bw.AIDS Patient Care STDS. 2012 Jun;26(6):329-34. doi: 10.1089/apc.2011.0318.AIDS Patient Care STDS. 2012.PMID: 22680281Free PMC article.