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.
Card JJ, Peterson JL, Niego S, Brindis C.Card JJ, et al.Eval Health Prof. 1998 Sep;21(3):377-94. doi: 10.1177/016327879802100305.Eval Health Prof. 1998.PMID: 10350957
Card JJ, Cunningham SD, Newman EN, Golden RE.Card JJ, et al.J Clin Res HIV AIDS Prev. 2013;1(3):19-28. doi: 10.14302/issn.2324-7339.jcrhap-13-268. Epub 2013 Sep 24.J Clin Res HIV AIDS Prev. 2013.PMID: 28781971Free PMC article.