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.
Mathew V, Hasdai D, Holmes DR Jr, Garratt KN, Bell MR, Lerman A, Melby S, Grill DE, Berger PB.Mathew V, et al. Among authors: bell mr.J Am Coll Cardiol. 1997 Sep;30(3):676-81. doi: 10.1016/s0735-1097(97)00207-6.J Am Coll Cardiol. 1997.PMID: 9283525Free article.
Simari RD, Bell MR, Schaff HV, Holmes DR Jr.Simari RD, et al. Among authors: bell mr.Mayo Clin Proc. 1992 Apr;67(4):317-22. doi: 10.1016/s0025-6196(12)61545-6.Mayo Clin Proc. 1992.PMID: 1548945