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.
Sillero-Arenas M, Delgado-Rodriguez M, Rodigues-Canteras R, Bueno-Cavanillas A, Galvez-Vargas R.Sillero-Arenas M, et al.Obstet Gynecol. 1992 Feb;79(2):286-94.Obstet Gynecol. 1992.PMID: 1530988
Sillero-Arenas M, Rodriguez-Contreras R, Delgado-Rodriguez M, Bueno-Cavanillas A, Galvez-Vargas R.Sillero-Arenas M, et al.Acta Obstet Gynecol Scand. 1991;70(2):143-8. doi: 10.3109/00016349109006197.Acta Obstet Gynecol Scand. 1991.PMID: 1831954