Shahzad, F., Aman Nasir, H., Yousaf, A., Qasmi, A., Nayyar, N. and Intisar, R. F. (2024) “Comparison of severity of COVID-19 symptoms in Vaccinated versus Unvaccinated people; A Retrospective Cross-sectional study”, Students’ Supplement of Journal of Rawalpindi Medical College, 27(S-1), pp. 40–48. doi: 10.37939/sjrmu.v27iS-1.191.