Khetan, D. 2018. Real time 3D echocardiography for evaluation of systolic dyssynchrony index in patients with dilated cardiomyopathy and acute myocardial infarction. International Journal of Research in Medical Sciences. 6, 11 (Oct. 2018), 3611–3615. DOI:https://doi.org/10.18203/2320-6012.ijrms20184417.