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.
Whittaker R, Maddison R, McRobbie H, Bullen C, Denny S, Dorey E, Ellis-Pegler M, van Rooyen J, Rodgers A.Whittaker R, et al.J Med Internet Res. 2008 Nov 25;10(5):e49. doi: 10.2196/jmir.1007.J Med Internet Res. 2008.PMID: 19033148Free PMC article.
Maddison R, Whittaker R, Stewart R, Kerr A, Jiang Y, Kira G, Carter KH, Pfaeffli L.Maddison R, et al.BMC Cardiovasc Disord. 2011 May 31;11:26. doi: 10.1186/1471-2261-11-26.BMC Cardiovasc Disord. 2011.PMID: 21624142Free PMC article.Clinical Trial.
Pfaeffli L, Maddison R, Whittaker R, Stewart R, Kerr A, Jiang Y, Kira G, Carter K, Dalleck L.Pfaeffli L, et al.BMC Cardiovasc Disord. 2012 May 30;12:36. doi: 10.1186/1471-2261-12-36.BMC Cardiovasc Disord. 2012.PMID: 22646848Free PMC article.Clinical Trial.
Dale LP, Whittaker R, Jiang Y, Stewart R, Rolleston A, Maddison R.Dale LP, et al.Trials. 2014 Mar 4;15:71. doi: 10.1186/1745-6215-15-71.Trials. 2014.PMID: 24588893Free PMC article.Clinical Trial.