Durrani, Misbah, Afshan Shahid, Umme Kalsoom Tahir, Inam-ul- Haq, Anum Yousaf, and Saqib Naveed. “Comparison of Chest X-Rays Findings in COVID-19 Suspected and Confirmed Cases at a University Teaching Hospital: A retrospective Comparative Study”. Pakistan Journal of Medical Sciences 38, no. 1 (November 22, 2021). Accessed April 20, 2024. https://pjms.org.pk/index.php/pjms/article/view/4624.