Sharma, F., H. Jain, V. Kanzariya, and U. Upadhyay. “FORMULATION AND EVALUATION OF CONTROLLED RELEASE OSMOTIC TABLET OF METOPROLOL SUCCINATE”. Asian Journal of Pharmaceutical and Clinical Research, vol. 7, no. 3, July 2014, pp. 38-43, https://journals.innovareacademics.in/index.php/ajpcr/article/view/1127.