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.
Datta B, Tufnell-Barrett T, Bleasdale RA, Jones CJ, Beeton I, Paul V, Frenneaux M, James P.Datta B, et al. Among authors: bleasdale ra.Circulation. 2004 Mar 23;109(11):1339-42. doi: 10.1161/01.CIR.0000124450.07016.1D. Epub 2004 Mar 15.Circulation. 2004.PMID: 15023874