Yadav, S. S.; Chakrabarty, U.; Datta, S.; Mukherjee, P. Haemodynamic Assessment During off Pump Coronary Artery Bypass Grafting in Patients With Ejection Fraction ≥40% and it’s Relation to Myocardial Ischaemia in Early Postoperative Period. Int J Res Med Sci 2020, 8, 4079-4083.