Amin, F., S. Akhter, A. Abdullah, N. Durrani, S. Shehzad, and K. Akhtar. “Efficacy of Sinopharm Vaccine Among Healthcare Workers of Pakistan”. Pakistan Journal of Medicine and Dentistry, vol. 11, no. 4, May 2024, pp. 34-40, doi:10.36283/PJMD11-4/006.