Rai, Ashesh, S Shrestha, D Sharma, G Prasai, BK Mishra, and CP Bhatt. “Tear Sample Analysis For SARS-COV-2 of Confirmed Cases of COVID-19”. Nepal Medical College Journal 23, no. 1 (April 2, 2021): 6–10. Accessed May 7, 2024. https://nepjol.info/index.php/nmcj/article/view/36219.