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.
Raheem OA, Su JJ, Wilson JR, Hsieh TC.Raheem OA, et al.Am J Mens Health. 2017 May;11(3):552-563. doi: 10.1177/1557988316630305. Epub 2016 Feb 4.Am J Mens Health. 2017.PMID: 26846406Free PMC article.Review.