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.
Ryan J, Linde-Zwirble W, Engelhart L, Cooper L, Cohen DJ.Ryan J, et al.Circulation. 2009 Feb 24;119(7):952-61. doi: 10.1161/CIRCULATIONAHA.108.781138. Epub 2009 Feb 9.Circulation. 2009.PMID: 19204307
Edwards NC, Pesa J, Meletiche DM, Engelhart L, Thompson AK, Sherr J, Dirani R.Edwards NC, et al.Curr Med Res Opin. 2008 Dec;24(12):3341-55. doi: 10.1185/03007990802490512.Curr Med Res Opin. 2008.PMID: 18954497Review.