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.
Wan J, Kozminski M, Wang SC, Faerber GJ, McGuire EJ, Bloom DA, Ritchey ML.Wan J, et al. Among authors: ritchey ml.Urology. 1994 Apr;43(4):531-6. doi: 10.1016/0090-4295(94)90249-6.Urology. 1994.PMID: 8154077Free article.
Bloom DA, Guiney EJ, Ritchey ML.Bloom DA, et al. Among authors: ritchey ml.Urology. 1994 Dec;44(6):905-8. doi: 10.1016/s0090-4295(94)80180-0.Urology. 1994.PMID: 7985321