Dhore, Nilay, et al. “A Comparative Study of Conjunctivitis in COVID-19 Patients Between the First and Second Wave of COVID-19 at a Tertiary Care Center”. Asian Journal of Medical Sciences, vol. 13, no. 9, Sept. 2022, pp. 22-26, https://nepjol.info./index.php/AJMS/article/view/44793.