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.
Van Gelder IC, Van Veldhuisen DJ, Crijns HJ, Tuininga YS, Tijssen JG, Alings AM, Bosker HA, Cornel JH, Kamp O, Veeger NJ, Volbeda M, Rienstra M, Ranchor AV, TenVergert EM, Van den Berg MP.Van Gelder IC, et al. Among authors: tuininga ys.Am Heart J. 2006 Sep;152(3):420-6. doi: 10.1016/j.ahj.2006.02.033.Am Heart J. 2006.PMID: 16923407Free article.