Tahir, M. S. B. ., Waseem, M. ., Ullah, M. S. ., Hussain, N. ., Kazmi, F. ., Rasheed, M. ., & Qammar, A. . (2023). Epidemiological and Clinical Manifestations of COVID-19 Variants in the Punjab Tertiary Care Hospitals. BioScientific Review, 5(1), 29–43. https://doi.org/10.32350/BSR.51.03