GYANENDRA KUMAR, RAKESH CHANDRA CHAURASIA, & S.P. SINGH. (2017). Ocular effect of preservative free and bak containing Travoprost - a tertiary care hospital based study. International Journal of Pharma and Bio Sciences, 8(3), 302–309. https://doi.org/10.22376/ijpbs.2017.8.3.p302-309