C, Salini, rishnapillai M, Dr. Hari Babu Y, and Reshma Fathima K. 2017. “Controlled Porosity Osmotic Pump Tablets Packed With Esomeprazole Double Walled Microspheres ”. International Journal of Novel Trends in Pharmaceutical Sciences 7 (6), 255-63. https://scienztech.org/index.php/ijntps/article/view/1099.