Warkar, D. A. B. and Gawarle, D. A. (2018) “A Study of Electrocardiographic and Echo-Cardio Graphic Adaptive Changes in Endurance Athletes: A Study Of Electrocardiographic And Echo-Cardio Graphic”, National Journal of Integrated Research in Medicine, 5(4), pp. 52–56. doi: 10.70284/njirm.v5i4.768.