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.
Huang GJ, Hamilton AS, Lo M, Stein JP, Penson DF.Huang GJ, et al. Among authors: hamilton as.J Urol. 2008 Aug;180(2):520-4; discussion 524. doi: 10.1016/j.juro.2008.04.016. Epub 2008 Jun 11.J Urol. 2008.PMID: 18550088Free PMC article.