Chandra Sharad, Vijay Sudarshan Kumar, Dwivedi Sudhanshu Kumar, Saran Ram Kirti
Department of Cardiology, Chhatrapati Shahuji Maharaj Medical University (earlier KGMC), Chowk, Lucknow, P.O. Box 226003, U.P., India.
Echocardiography. 2012 Feb;29(2):E48-9. doi: 10.1111/j.1540-8175.2011.01571.x. Epub 2011 Nov 29.