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.
Heyhoe J, Birks Y, Harrison R, O'Hara JK, Cracknell A, Lawton R.Heyhoe J, et al.J R Soc Med. 2016 Feb;109(2):52-8. doi: 10.1177/0141076815620614. Epub 2015 Dec 18.J R Soc Med. 2016.PMID: 26682568Free PMC article.Review.
O'Hara JK, Armitage G, Reynolds C, Coulson C, Thorp L, Din I, Watt I, Wright J.O'Hara JK, et al.BMJ Qual Saf. 2017 Jan;26(1):42-53. doi: 10.1136/bmjqs-2015-004260. Epub 2016 Feb 4.BMJ Qual Saf. 2017.PMID: 26847140