Baviskar, Priyanka, et al. “Formulation Development and Evaluation of Floating Wax Beads of Olopatadine Hydrochloride”. Journal of Drug Delivery and Therapeutics, vol. 9, no. 4-s, Aug. 2019, pp. 569-76, https://doi.org/10.22270/jddt.v9i4-s.3384.