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.
Snyder EM, Turner ST, Johnson BD.Snyder EM, et al. Among authors: johnson bd.Chest. 2006 Nov;130(5):1527-34. doi: 10.1378/chest.130.5.1527.Chest. 2006.PMID: 17099033
Abraham MR, Olson LJ, Joyner MJ, Turner ST, Beck KC, Johnson BD.Abraham MR, et al. Among authors: johnson bd.Circulation. 2002 Oct 1;106(14):1794-9. doi: 10.1161/01.cir.0000031735.86021.79.Circulation. 2002.PMID: 12356632Clinical Trial.
Wolk R, Johnson BD, Somers VK.Wolk R, et al. Among authors: johnson bd.J Am Coll Cardiol. 2003 Nov 5;42(9):1644-9. doi: 10.1016/j.jacc.2003.06.007.J Am Coll Cardiol. 2003.PMID: 14607453Free article.