Vijay Sudarshan Kumar, Tiwari Bhuwan C, Misra Mukul, Joshi Lalit Mohan, Srivastava Dharmendra Kumar
Department of Cardiology, Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, India.
Echocardiography. 2014 Feb;31(2):E70-1. doi: 10.1111/echo.12387. Epub 2013 Oct 15.