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.
Ko DT, Atzema CL, Donovan LR, Graham MM, Huynh T, So DY, Wang J, Wijeysundera HC, Tu JV.Ko DT, et al. Among authors: atzema cl.Am Heart J. 2011 Apr;161(4):764-770.e1. doi: 10.1016/j.ahj.2010.12.016.Am Heart J. 2011.PMID: 21473977
Van Spall HG, Atzema C, Schull MJ, Newton GE, Mak S, Chong A, Tu JV, Stukel TA, Lee DS.Van Spall HG, et al.PLoS One. 2011;6(8):e23065. doi: 10.1371/journal.pone.0023065. Epub 2011 Aug 10.PLoS One. 2011.PMID: 21853068Free PMC article.