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.
Sackley CM, van den Berg ME, Lett K, Patel S, Hollands K, Wright CC, Hoppitt TJ.Sackley CM, et al.BMJ. 2009 Sep 1;339:b3123. doi: 10.1136/bmj.b3123.BMJ. 2009.PMID: 19723707Free PMC article.Clinical Trial.
Brittle N, Brown M, Mant J, McManus R, Riddoch J, Sackley C.Brittle N, et al.Clin Rehabil. 2008 Apr;22(4):329-37. doi: 10.1177/0269215507082334.Clin Rehabil. 2008.PMID: 18390976
Sackley CM, Rodriguez NA, van den Berg M, Badger F, Wright C, Besemer J, van Reeuwijk KT, van Wely L.Sackley CM, et al.Clin Rehabil. 2008 Aug;22(8):714-21. doi: 10.1177/0269215508089058.Clin Rehabil. 2008.PMID: 18678571Clinical Trial.