Azad S, Beg A, Chowdhury A. Cardiac Drugs Requirement during Off-Pump Coronary Artery Bypass (OPCAB) Surgery- A Comparison between Combined High Thoracic Epidural Anaesthesia (HTEA) with GA and GA Alone. Cardiovasc. j. [Internet]. 2010 Nov. 17 [cited 2024 Jul. 17];3(1):7-10. Available from: https://banglajol.info/index.php/CARDIO/article/view/6420