Sharma, Gaurav, Ujjwal Nautiyal, and Sayeed Ahmad. β€œAn Overview on Gastroretentive Drug Delivery System (GRDDS)”. International Journal of Health and Biological Sciences 2, no. 2 (June 30, 2019): 01–08. Accessed April 16, 2024. https://ijhbs.com/index.php/ijhbs/article/view/15.