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.
Simonton CA, Mark DB, Hinohara T, Rendall DS, Phillips HR, Peter RH, Behar VS, Kong Y, O'Callaghan WG, O'Connor C, et al.Simonton CA, et al. Among authors: mark db.J Am Coll Cardiol. 1988 Apr;11(4):698-705. doi: 10.1016/0735-1097(88)90198-2.J Am Coll Cardiol. 1988.PMID: 2965171Free article.
Tung CY, Granger CB, Sloan MA, Topol EJ, Knight JD, Weaver WD, Mahaffey KW, White H, Clapp-Channing N, Simoons ML, Gore JM, Califf RM, Mark DB.Tung CY, et al. Among authors: mark db.Circulation. 1999 Jan 26;99(3):370-6. doi: 10.1161/01.cir.99.3.370.Circulation. 1999.PMID: 9918523