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.
Evans A, Perez I, Harraf F, Melbourn A, Steadman J, Donaldson N, Kalra L.Evans A, et al. Among authors: donaldson n.Lancet. 2001 Nov 10;358(9293):1586-92. doi: 10.1016/S0140-6736(01)06652-1.Lancet. 2001.PMID: 11716885Clinical Trial.
Evans A, Harraf F, Donaldson N, Kalra L.Evans A, et al. Among authors: donaldson n.Stroke. 2002 Feb;33(2):449-55. doi: 10.1161/hs0202.102364.Stroke. 2002.PMID: 11823651Clinical Trial.
Kalra L, Evans A, Perez I, Knapp M, Donaldson N, Swift CG.Kalra L, et al. Among authors: donaldson n.Lancet. 2000 Sep 9;356(9233):894-9. doi: 10.1016/S0140-6736(00)02679-9.Lancet. 2000.PMID: 11036894Clinical Trial.
Kalra L, Evans A, Perez I, Melbourn A, Patel A, Knapp M, Donaldson N.Kalra L, et al. Among authors: donaldson n.BMJ. 2004 May 8;328(7448):1099. doi: 10.1136/bmj.328.7448.1099.BMJ. 2004.PMID: 15130977Free PMC article.Clinical Trial.