Prasanna Kumari J, Ramarao T, Jayaveera K N, Bhikshapathi D V R N, and Madhusudan Rao Y. “Design and In Vivo Evaluation of Metoprolol Tartrate Bilayer Floating Tablets in Healthy Human Volunteers”. International Journal of Drug Delivery, vol. 6, no. 1, Mar. 2014, pp. 14-23, https://ijdd.arjournals.org/index.php/ijdd/article/view/225.