P. . BATTULA, P. . REDDY B, . P. L, H. . KUMAR L, and D. . SRI N, “A PROSPECTIVE CONSIDERATIONS AND COMPARATIVE EFFICACY BETWEEN IVABRADINE VS BETA BLOCKERS IN SOUTH INDIAN ACUTE CORONARY SYNDROME PATIENTS ”, Asian J Pharm Clin Res, vol. 13, no. 1, pp. 193–195, Jan. 2020.