“Prevalence Of Symptomatic Dry Eye Disease Among Undergraduate Medical Students After Covid 19 Pandemic In A Tertiary Care Hospital Kanchipuram- A Cr0ss Sectional Study”, Journal of Pharmaceutical Negative Results, pp. 2139–2144, Nov. 2022, Accessed: Jun. 08, 2026. [Online]. Available: https://pnrjournal.com/index.php/home/article/view/3599