A. Srivastava, R. Shukla, K. Sharma, H. Jain, and D. B. Meshram, “Microballoons: A Gastro Retentive Drug Delivery System”, J. Drug Delivery Ther., vol. 9, no. 4-s, pp. 625–630, Aug. 2019, doi: 10.22270/jddt.v9i4-s.3274.