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.
Barone JE, Kardon S.Barone JE, et al.Urology. 2009 May;73(5):1164.e1-3. doi: 10.1016/j.urology.2008.03.029. Epub 2008 Jun 12.Urology. 2009.PMID: 18554697