Alamgir, M., M. Sajjad, M. Baig, and M. Noori. “Mutational Frequencies in Mycobacterial RpoB Gene Using GeneXpert/MTB Rif Assay in Rifampicin Resistant Patients at a Tertiary Care Setting in Urban Sindh, Pakistan: Analysis from a Five-Year Period”. Pakistan Journal of Medical Sciences, Vol. 37, no. 4, May 2021, doi:10.12669/pjms.37.4.3875.