Ghedia Tejaskumar P.; Patel Parth; Christian Vishal; Panchal Amish; Bamaniya Sanjay; Sangada Kiran. Formulation and Optimisation of Osmotic Pump of Propranolol Hydrochloride Using EOP and Microporous Concepts. Int. J. Res. Pharm. Sci. 2011, 2, 590-595.