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, Knowles E, Nicholl J.O'Cathain A, et al. Among authors: knowles e.BMJ Qual Saf. 2011 Feb;20(2):134-40. doi: 10.1136/bmjqs.2009.036574. Epub 2011 Jan 5.BMJ Qual Saf. 2011.PMID: 21209128
Knowles E, Mason S, Colwell B.Knowles E, et al.Emerg Med J. 2011 Apr;28(4):316-9. doi: 10.1136/emj.2009.084616. Epub 2010 Jul 26.Emerg Med J. 2011.PMID: 20660900Clinical Trial.
Knowles E, Munro J, O'Cathain A, Nicholl J.Knowles E, et al.J Telemed Telecare. 2006;12(5):262-5. doi: 10.1258/135763306777889091.J Telemed Telecare. 2006.PMID: 16848940
O'Cathain A, Knowles E, Munro J, Nicholl J.O'Cathain A, et al. Among authors: knowles e.BMC Health Serv Res. 2007 Apr 27;7:61. doi: 10.1186/1472-6963-7-61.BMC Health Serv Res. 2007.PMID: 17466063Free PMC article.
O'Cathain A, Knowles E, Nicholl J.O'Cathain A, et al. Among authors: knowles e.BMC Med Res Methodol. 2010 Jun 9;10:52. doi: 10.1186/1471-2288-10-52.BMC Med Res Methodol. 2010.PMID: 20534151Free PMC article.
Knowles E, O'Cathain A, Nicholl J.Knowles E, et al.Health Expect. 2012 Mar;15(1):78-86. doi: 10.1111/j.1369-7625.2010.00659.x. Epub 2011 Jan 31.Health Expect. 2012.PMID: 21281414Free PMC article.