Tahir, S., N. Imran, I. I. Haider, A. B. Mustafa, A.- ur Rehman, M. W. Azeem, and A. Javed. “A Study to Evaluate the Impact of COVID-19 on Lifestyle of Medical Students”. Pakistan Journal of Medical Sciences, Vol. 38, no. 7, Aug. 2022, doi:10.12669/pjms.38.7.6031.