MAHESWARAPPA CHATTER, and S. A. SREENIVAS. “FORMULATION AND CHARACTERIZATION OF STOMACH TARGETED MUCOADHESIVE TABLETS OF RANITIDINE HYDROCHLORIDE”. International Journal of Pharma and Bio Sciences, vol. 7, no. 2, June 2016, pp. 347-53, https://ijpbs.net/index.php/journal/article/view/5017.