Mandal, N.C. et al. 2017. Early Post operative Pain Management and Early Extubation after Off-pump Coronary Artery Bypass Graft Surgery is better managed with Thoracic Epidural Analgesia. Cardiovascular Journal. 9, 2 (May 2017), 142–146. DOI:https://doi.org/10.3329/cardio.v9i2.32427.