Yang Hyun Suk, Shah Sairav B, Sweeney John P, Khandheria Bijoy K, Chandrasekaran Krishnaswamy
Division of Cardiovascular Diseases, Mayo Clinic, 5777 East Mayo Boulevard, Phoenix, AZ 85054, USA.
Circ Cardiovasc Imaging. 2008 Sep;1(2):171-2. doi: 10.1161/CIRCIMAGING.108.780833.