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.
Makkar A, Siddiqui TS, Stoddard MF, Lewis RK, Dawn B.Makkar A, et al. Among authors: siddiqui ts.Echocardiography. 2007 Aug;24(7):745-9. doi: 10.1111/j.1540-8175.2007.00459.x.Echocardiography. 2007.PMID: 17651104
Bhatia N, Dawn B, Siddiqui TS, Stoddard MF.Bhatia N, et al. Among authors: siddiqui ts.Tex Heart Inst J. 2015 Feb 1;42(1):16-24. doi: 10.14503/THIJ-13-3635. eCollection 2015 Feb.Tex Heart Inst J. 2015.PMID: 25873793Free PMC article.