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.
Symon A, Downe S, Finlayson KW, Knapp R, Diggle P; SHIP trial team.Symon A, et al. Among authors: downe s.BMC Med Res Methodol. 2015 Nov 18;15:100. doi: 10.1186/s12874-015-0092-0.BMC Med Res Methodol. 2015.PMID: 26582386Free PMC article.Clinical Trial.
Symon A, Pringle J, Cheyne H, Downe S, Hundley V, Lee E, Lynn F, McFadden A, McNeill J, Renfrew MJ, Ross-Davie M, van Teijlingen E, Whitford H, Alderdice F.Symon A, et al. Among authors: downe s.BMC Pregnancy Childbirth. 2016 Jul 19;16(1):168. doi: 10.1186/s12884-016-0944-6.BMC Pregnancy Childbirth. 2016.PMID: 27430506Free PMC article.Review.