Saleem, J. ., E. . Karar, O. F. . Choudary, F. M. Shaikh, R. E. . Fatima, and F. A. . Rathore. “Assessment of Knowledge and Practices of Wearing Medical Masks and Respirators During COVID-19 Pandemic”. Journal of Bahria University Medical and Dental College, vol. 11, no. 4, Oct. 2021, pp. 158-64, doi:10.51985/JBUMDC2021010.