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.
Hogarth AJ, Graham LN, Mary DA, Greenwood JP.Hogarth AJ, et al. Among authors: greenwood jp.Eur Heart J. 2009 Jul;30(14):1764-70. doi: 10.1093/eurheartj/ehp188. Epub 2009 May 22.Eur Heart J. 2009.PMID: 19465438