Chowdhury, M. A. Q., N. Hosain, M. F. Maruf, M. M. Rahman, M. Aftabuddin, and A. B. Adhikary. “Evaluation of Pulmonary Function After Off-Pump Coronary Artery Bypass Grafting in Patients Treated With Preoperative Bronchodilator”. Cardiovascular Journal, vol. 7, no. 2, Feb. 2015, pp. 123-7, doi:10.3329/cardio.v7i2.22260.