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.
Hallstrom A, Pratt CM, Greene HL, Huther M, Gottlieb S, DeMaria A, Young JB.Hallstrom A, et al.J Am Coll Cardiol. 1995 May;25(6):1250-7. doi: 10.1016/0735-1097(94)00553-3.J Am Coll Cardiol. 1995.PMID: 7722117Free article.Clinical Trial.
Pratt CM, Hallstrom A, Theroux P, Romhilt D, Coromilas J, Myles J.Pratt CM, et al. Among authors: hallstrom a.J Am Coll Cardiol. 1991 Jan;17(1):1-8. doi: 10.1016/0735-1097(91)90697-8.J Am Coll Cardiol. 1991.PMID: 1702795Free article.Clinical Trial.
Pratt CM, Théroux P, Slymen D, Riordan-Bennett A, Morisette D, Galloway A, Seals AA, Hallstrom A.Pratt CM, et al. Among authors: hallstrom a.Am J Cardiol. 1987 Feb 1;59(4):278-83. doi: 10.1016/0002-9149(87)90799-5.Am J Cardiol. 1987.PMID: 2880497Clinical Trial.