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.
O'Cathain A, Murphy E, Nicholl J.O'Cathain A, et al.BMC Health Serv Res. 2007 Jun 14;7:85. doi: 10.1186/1472-6963-7-85.BMC Health Serv Res. 2007.PMID: 17570838Free PMC article.
Murphy M, Nicholl J, O'Cathain A.Murphy M, et al.BMJ. 1989 Jun 17;298(6688):1643. doi: 10.1136/bmj.298.6688.1643-c.BMJ. 1989.PMID: 2503162Free PMC article.No abstract available.
O'Cathain A, Musson G, Munro J.O'Cathain A, et al.J Health Serv Res Policy. 1999 Jul;4(3):154-60. doi: 10.1177/135581969900400306.J Health Serv Res Policy. 1999.PMID: 10538880
O'Cathain A, Walters SJ, Nicholl JP, Thomas KJ, Kirkham M.O'Cathain A, et al.BMJ. 2002 Mar 16;324(7338):643. doi: 10.1136/bmj.324.7338.643.BMJ. 2002.PMID: 11895822Free PMC article.Clinical Trial.
O'Cathain A, Turner J, Nicholl JP.O'Cathain A, et al.Emerg Med J. 2002 Mar;19(2):160-3. doi: 10.1136/emj.19.2.160.Emerg Med J. 2002.PMID: 11904272Free PMC article.
Morrell CJ, Munro J, O'Cathain A, Warren K, Nicholl J.Morrell CJ, et al.Emerg Med J. 2002 Jul;19(4):337-40. doi: 10.1136/emj.19.4.337.Emerg Med J. 2002.PMID: 12101154Free PMC article.