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.
Issa MM, Oesterling JE, Canning DA, Jeffs RD.Issa MM, et al. Among authors: canning da.J Urol. 1989 Jun;141(6):1385-7. doi: 10.1016/s0022-5347(17)41316-4.J Urol. 1989.PMID: 2724435
Coplen DE, Hare JY, Zderic SA, Canning DA, Snyder HM 3rd, Duckett JW.Coplen DE, et al. Among authors: canning da.J Urol. 1996 Sep;156(3):1142-5.J Urol. 1996.PMID: 8709334