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.
Taylor N, Lawton R, Slater B, Foy R.Taylor N, et al. Among authors: foy r.Implement Sci. 2013 Oct 16;8:123. doi: 10.1186/1748-5908-8-123.Implement Sci. 2013.PMID: 24131864Free PMC article.
McLintock K, Russell AM, Alderson SL, West R, House A, Westerman K, Foy R.McLintock K, et al. Among authors: foy r.BMJ Open. 2014 Aug 20;4(8):e005178. doi: 10.1136/bmjopen-2014-005178.BMJ Open. 2014.PMID: 25142262Free PMC article.