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.
Dion M, Martínez CH, Williams AK, Chalasani V, Nott L, Pautler SE.Dion M, et al. Among authors: chalasani v.Can Urol Assoc J. 2010 Oct;4(5):322-6. doi: 10.5489/cuaj.10017.Can Urol Assoc J. 2010.PMID: 20944802Free PMC article.