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.
Khan A, Brown WJ, Burton NW.Khan A, et al. Among authors: burton nw.J Sci Med Sport. 2013 Sep;16(5):417-21. doi: 10.1016/j.jsams.2012.10.007. Epub 2012 Nov 30.J Sci Med Sport. 2013.PMID: 23206336
Khan A, Burton NW, Trost SG.Khan A, et al. Among authors: burton nw.Public Health. 2017 Apr;145:75-82. doi: 10.1016/j.puhe.2016.12.011. Epub 2017 Jan 20.Public Health. 2017.PMID: 28359396
van Uffelen JGZ, Khan A, Burton NW.van Uffelen JGZ, et al. Among authors: burton nw.BMC Public Health. 2017 Jul 4;17(1):624. doi: 10.1186/s12889-017-4540-0.BMC Public Health. 2017.PMID: 28676081Free PMC article.
Khan A, Ahmed R, Burton NW.Khan A, et al. Among authors: burton nw.Ethn Health. 2020 Jan;25(1):34-46. doi: 10.1080/13557858.2017.1398313. Epub 2017 Nov 2.Ethn Health. 2020.PMID: 29096523