“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”, Cardiovasc. j., vol. 2, no. 2, pp. 156–162, Dec. 2010, doi: 10.3329/cardio.v2i2.6632.