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.
Perel P, Roberts I, Sena E, Wheble P, Briscoe C, Sandercock P, Macleod M, Mignini LE, Jayaram P, Khan KS.Perel P, et al.BMJ. 2007 Jan 27;334(7586):197. doi: 10.1136/bmj.39048.407928.BE. Epub 2006 Dec 15.BMJ. 2007.PMID: 17175568Free PMC article.Review.
MRC CRASH Trial Collaborators; Perel P, Arango M, Clayton T, Edwards P, Komolafe E, Poccock S, Roberts I, Shakur H, Steyerberg E, Yutthakasemsunt S.MRC CRASH Trial Collaborators, et al. Among authors: perel p.BMJ. 2008 Feb 23;336(7641):425-9. doi: 10.1136/bmj.39461.643438.25. Epub 2008 Feb 12.BMJ. 2008.PMID: 18270239Free PMC article.
Ker K, Perel P, Blackhall K, Roberts I.Ker K, et al. Among authors: perel p.BMJ. 2008 Aug 14;337:a865. doi: 10.1136/bmj.a865.BMJ. 2008.PMID: 18703657Free article.No abstract available.
Perel P, Edwards P, Shakur H, Roberts I.Perel P, et al.BMC Med Res Methodol. 2008 Nov 6;8:72. doi: 10.1186/1471-2288-8-72.BMC Med Res Methodol. 2008.PMID: 18990202Free PMC article.Clinical Trial.