R., S. R., U. K. P., S. V. R. Rajasekhar, and M. P. Naidu. “Prospective, Randomized Double Blind Comparative Study of Safety and Efficacy of Carvedilol Versus Atenolol in Patients of Mild to Moderate Hypertension”. International Journal of Basic & Clinical Pharmacology, vol. 6, no. 7, June 2017, pp. 1678-81, doi:10.18203/2319-2003.ijbcp20172730.