Mandal NC, Sabur S, Ahsan N, Karmakar K. Evaluation of Pulmonary Function after Off- Pump Coronary Artery Bypass Graft Surgery with Thoracic Epidural Analgesia. Cardiovasc. j. [Internet]. 2013 Aug. 7 [cited 2025 Oct. 19];6(1):31-6. Available from: https://www.banglajol.info/index.php/CARDIO/article/view/16112