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.
Connelly KA, Boyle A, Wilson A, Macisaac A, Fox P, Whitbourn R.Connelly KA, et al. Among authors: whitbourn r.Heart Lung Circ. 2003;12(1):66-9. doi: 10.1046/j.1444-2892.2003.00165.x.Heart Lung Circ. 2003.PMID: 16352109
McCann A, MacIsaac A, Whitbourn RJ.McCann A, et al.Cardiovasc Revasc Med. 2010 Jan-Mar;11(1):52-6. doi: 10.1016/j.carrev.2008.12.006.Cardiovasc Revasc Med. 2010.PMID: 20129361