Gupta, M., Mishra, P. K., Shoeb, M., Agarwal, A. and Prasad, J. (2017) “A comparison of clinical outcomes of LVEF ≤35% versus LVEF>35% in off-pump coronary artery bypass graft surgery”, International Surgery Journal, 4(6), pp. 1908–1912. doi: 10.18203/2349-2902.isj20172011.