Study on the Development of Diltiazem HCl Loaded Colonic Drug Delivery Systems (CDDS) Using Various Polymers and Characterization of their Release Profiles by In Vitro Dissolution Studies. Dhaka Univ. J. Pharm. Sci [Internet]. 2011 Apr. 13 [cited 2026 Jul. 2];9(1):7-13. Available from: https://banglajol.info/index.php/JPharma/article/view/7424