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.
Johnson JT, Lindsay I, Day RW, Van Dorn CS, Hoffman J, Everitt MD, Yetman AT.Johnson JT, et al.J Am Coll Cardiol. 2013 Mar 26;61(12):1283-9. doi: 10.1016/j.jacc.2013.01.008. Epub 2013 Feb 13.J Am Coll Cardiol. 2013.PMID: 23414794Free article.