Hasan, K., Rahman, Z., Sultana, A. and Ahsan, N. 2011. Postoperative Pain Management After Sternotomy In Off-Pump Coronary Artery Bypass Graft (CABG) Surgery - A Comparative Study Between NSAID (Diclofenac Sodium) and Opioid (Pethidine). Bangabandhu Sheikh Mujib Medical University Journal. 3, 2 (Feb. 2011), 91–96. DOI:https://doi.org/10.3329/bsmmuj.v3i2.7059.