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.
Mavrodaris A, Powell J, Thorogood M.Mavrodaris A, et al. Among authors: powell j.Bull World Health Organ. 2013 Oct 1;91(10):773-83. doi: 10.2471/BLT.13.118422. Epub 2013 Aug 20.Bull World Health Organ. 2013.PMID: 24115801Free PMC article.Review.
Griffiths F, Lindenmeyer A, Powell J, Lowe P, Thorogood M.Griffiths F, et al. Among authors: powell j.J Med Internet Res. 2006 Jun 23;8(2):e10. doi: 10.2196/jmir.8.2.e10.J Med Internet Res. 2006.PMID: 16867965Free PMC article.Review.
Gkeredakis E, Swan J, Powell J, Nicolini D, Scarbrough H, Roginski C, Taylor-Phillips S, Clarke A.Gkeredakis E, et al. Among authors: powell j.J Health Organ Manag. 2011;25(3):298-314. doi: 10.1108/14777261111143545.J Health Organ Manag. 2011.PMID: 21845984