Ahasan, Mohammad Hasimul, et al. “Comparison of Safety and Efficacy Between Dabigatran and Rivaroxaban in Nonvalvular Atrial Fibrillation in Tertiary Level Hospital”. University Heart Journal, vol. 18, no. 1, Jan. 2022, pp. 10-13, doi:10.3329/uhj.v18i1.57874.