C. R., Jayanthi, Divyashree R. N., and Sujatha B. L. 2017. “Efficacy and Safety of Topical BAK-Free Travoprost 0.004% Versus BAK-Preserved Travoprost 0.004% in the Treatment of Primary Open Angle Glaucoma: A Comparative Study at a Tertiary Care Hospital”. International Journal of Basic & Clinical Pharmacology 6 (9):2199-2205. https://doi.org/10.18203/2319-2003.ijbcp20173744.