1.
Tomar A, Upadhyay A, Gupta SK, Kumar S. An Overview on Gastroretentive Drug Delivery System: Current Approaches and Advancements. Cur Res Pharm Sci [Internet]. 2019Apr.8 [cited 2019May19];9(1):12-6. Available from: http://crpsonline.com/index.php/crps/article/view/199