Chooriyil, N., M. N. Pillai, and T. K. N. Jayakumar. “Predictors of Atrial Fibrillation After off Pump Coronary Artery Bypass Graft-a Prospective Observational Study”. International Surgery Journal, vol. 8, no. 11, Oct. 2021, pp. 3264-8, doi:10.18203/2349-2902.isj20214061.