Srivastava, Ankita, Ruchi Shukla, Kusum Sharma, Hitesh Jain, and D. B. Meshram. “Microballoons: A Gastro Retentive Drug Delivery System”. Journal of Drug Delivery and Therapeutics 9, no. 4-s (August 15, 2019): 625-630. Accessed May 23, 2022. http://www.jddtonline.info/index.php/jddt/article/view/3274.