Muneer, Khadija, Nimra Tufail, Muhammad Imran Hassan Khan, Sadia Inam, and Saima Ayub. “Observed Adverse Effects of Sinopharm COVID-19 Vaccine in Healthcare Workers”. National Journal of Health Sciences 9, no. 1 (March 11, 2024): 15-22. Accessed May 22, 2024. https://ojs.njhsciences.com/index.php/njhs/article/view/529.