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.
Roberts I, Sydenham E.Roberts I, et al. Among authors: sydenham e.Cochrane Database Syst Rev. 2012 Dec 12;12(12):CD000033. doi: 10.1002/14651858.CD000033.pub2.Cochrane Database Syst Rev. 2012.PMID: 23235573Free PMC article.Review.
Ferrer P, Roberts I, Sydenham E, Blackhall K, Shakur H.Ferrer P, et al. Among authors: sydenham e.BMC Pregnancy Childbirth. 2009 Jul 15;9:29. doi: 10.1186/1471-2393-9-29.BMC Pregnancy Childbirth. 2009.PMID: 19604358Free PMC article.Review.
Roberts I, Ker K, Edwards P, Beecher D, Manno D, Sydenham E.Roberts I, et al. Among authors: sydenham e.BMJ. 2015 Jun 3;350:h2463. doi: 10.1136/bmj.h2463.BMJ. 2015.PMID: 26041754Free article.No abstract available.