Raza, H. A., M. H. R. Raja, P. A. Bain, H. Bedi, R. Salam, B. Jamil, and M. Shafiq. “Diagnostic Value of Bronchoscopy in Sars-Cov-2 Infection: A Systematic Review”. Journal of the Pakistan Medical Association, vol. 73, no. 1, Dec. 2022, pp. 98-105, doi:10.47391/JPMA.5668.