“Postoperative Pain Management After Sternotomy In Off-Pump Coronary Artery Bypass Graft (CABG) Surgery - A Comparative Study Between NSAID (Diclofenac Sodium) and Opioid (Pethidine)” (2011) Bangabandhu Sheikh Mujib Medical University Journal, 3(2), pp. 91–96. doi:10.3329/bsmmuj.v3i2.7059.