“Comparison of Recovery and Postoperative Analgesia between Thoracic Epidural Anaesthesia (TEA) plus General Anaesthesia and General Anaesthesia alone, in Patients Undergoing Off-Pump Coronary Artery Bypass (OPCAB) Surgery” (2010) Cardiovascular Journal, 2(2), pp. 156–162. doi:10.3329/cardio.v2i2.6632.