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.
Ibrahim E, Castle SM, Aballa TC, Keane RW, de Rivero Vaccari JP, Lynne CM, Brackett NL.Ibrahim E, et al. Among authors: castle sm.Hum Reprod. 2014 Nov;29(11):2368-73. doi: 10.1093/humrep/deu230. Epub 2014 Sep 8.Hum Reprod. 2014.PMID: 25205754
Castle SM, Salas N, Leveillee RJ.Castle SM, et al.Urol Ann. 2013 Jan;5(1):42-4. doi: 10.4103/0974-7796.106966.Urol Ann. 2013.PMID: 23662010Free PMC article.