Shabbir, Muhammad Nadir, Kainat Iftikhar, Mudassar Mustafa, Muhammad Usman Arshad, Imran Ullah, and Mubashir Mustafa. “THE ROLE OF WORLD THE FIGHT AGAINST COVID-19”. Pakistan Armed Forces Medical Journal 71, no. 4 (August 26, 2021): 1489–95. Accessed April 19, 2024. https://pafmj.org/PAFMJ/article/view/6256.