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.
Serle E, Aplin JD, Li TC, Warren MA, Graham RA, Seif MW, Cooke ID.Serle E, et al. Among authors: aplin jd.Fertil Steril. 1994 Nov;62(5):989-96. doi: 10.1016/s0015-0282(16)57063-0.Fertil Steril. 1994.PMID: 7926147Free article.