Wayangankar Siddharth A, Payne Joshua, Po Sunny, Sivaram Chittur A
Cardiovascular Section, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104-5020, USA.
Echocardiography. 2013 Mar;30(3):E87-8. doi: 10.1111/echo.12070. Epub 2012 Dec 10.