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.
Hulshof SC, Dijkstra G, Van der Beek EM, Bevers MM, Figueiredo JR, Beckers JF, Van den Hurk R.Hulshof SC, et al. Among authors: figueiredo jr.Biol Reprod. 1994 Mar;50(3):553-60. doi: 10.1095/biolreprod50.3.553.Biol Reprod. 1994.PMID: 8167227
Silva JR, van den Hurk R, van Tol HT, Roelen BA, Figueiredo JR.Silva JR, et al. Among authors: figueiredo jr.Mol Reprod Dev. 2005 Jan;70(1):11-9. doi: 10.1002/mrd.20127.Mol Reprod Dev. 2005.PMID: 15515056