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.
Singh KJ, Cohen BE, Na B, Regan M, Schiller NB, Whooley MA.Singh KJ, et al. Among authors: na b.J Card Fail. 2013 Mar;19(3):183-9. doi: 10.1016/j.cardfail.2012.12.005. Epub 2013 Feb 4.J Card Fail. 2013.PMID: 23482079
Williams ES, Shah SJ, Ali S, Na BY, Schiller NB, Whooley MA.Williams ES, et al. Among authors: na by.Eur J Heart Fail. 2008 Jan;10(1):63-9. doi: 10.1016/j.ejheart.2007.11.003. Epub 2007 Dec 21.Eur J Heart Fail. 2008.PMID: 18160340Free PMC article.