MaalavikaS, D. Sundararajan, K. NamithaBhuvaneswari. “Study Of Prevalence Of Dry Eye In Patients Using Timolol Eye Drops For Primary Open Angle Glaucoma”. Annals of the Romanian Society for Cell Biology, Dec. 2020, pp. 465-9, https://annalsofrscb.ro/index.php/journal/article/view/9695.