Srikanth Meka, V., A. Sunil Songa, S. Rao Nali, J. Ram Battu, y V. Ramana Murthy Kolapalli. «Design and in Vitro Evaluation of Effervescent Gastric Floating Drug Delivery Systems of Propanolol HCl». Investigación Clínica, Vol. 53, n.º 1, julio de 2012, https://produccioncientificaluz.org/index.php/investigacion/article/view/28872.