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.
Woods JB, Blake PG, Perry KG Jr, Magann EF, Martin RW, Martin JN Jr.Woods JB, et al. Among authors: blake pg.Obstet Gynecol. 1992 Jul;80(1):87-91.Obstet Gynecol. 1992.PMID: 1603505
Miles JF Jr, Martin JN Jr, Blake PG, Perry KG Jr, Martin RW, Meeks GR.Miles JF Jr, et al. Among authors: blake pg.Obstet Gynecol. 1990 Sep;76(3 Pt 1):328-31.Obstet Gynecol. 1990.PMID: 2381609
Sullivan CA, Magann EF, Perry KG Jr, Roberts WE, Blake PG, Martin JN Jr.Sullivan CA, et al. Among authors: blake pg.Am J Obstet Gynecol. 1994 Oct;171(4):940-3. doi: 10.1016/s0002-9378(94)70063-x.Am J Obstet Gynecol. 1994.PMID: 7943105