Rahman, M. M., M. M. H. . Munir, K. Sardar, M. A. S. Khan, A. N. . Chowdhury, M. K. . Rahman, S. K. . Mondal, and S. S. . Alam. “Use of Proseal Laryngeal Mask Airway (PLMA) and Endotracheal Tube (ETT) in Cardiac Compromise Patients With LVEF <45% Undergoing Laparoscopic Cholecystectomy : A Comparison of Hemodynamic Parameters”. Journal of the Bangladesh Society of Anaesthesiologists, vol. 31, no. 1, Feb. 2018, pp. 38-44, doi:10.3329/jbsa.v31i1.66256.