SINGH, M., and D. DEV. “ACACIA CATACHU GUM IN SITU FORMING GELS WITH PROLONGED RETENTION TIME FOR OCULAR DRUG DELIVERY”. Asian Journal of Pharmaceutical and Clinical Research, vol. 15, no. 9, Sept. 2022, pp. 33-40, doi:10.22159/ajpcr.2022.v15i9.45269.