Maham Arshad, Ayesha Ellahi, Fahad Ahmed. “Eye Sight - A Bull’s Eye Target of COVID-19”. Pakistan Journal of Medical & Health Sciences 17, no. 04 (May 13, 2023): 213. Accessed June 12, 2025. https://www.pjmhsonline.com/index.php/pjmhs/article/view/4653.