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.
Girard SE, Miller FA Jr, Orszulak TA, Mullany CJ, Montgomery S, Edwards WD, Tazelaar HD, Malouf JF, Tajik AJ.Girard SE, et al. Among authors: orszulak ta.J Am Coll Cardiol. 2001 Feb;37(2):579-84. doi: 10.1016/s0735-1097(00)01113-x.J Am Coll Cardiol. 2001.PMID: 11216982Free article.
van Son JA, Danielson GK, Schaff HV, Orszulak TA, Edwards WD, Seward JB.van Son JA, et al. Among authors: orszulak ta.Circulation. 1994 Nov;90(5 Pt 2):II20-9.Circulation. 1994.PMID: 7955253