Shaukat, Sundas, et al. “Antimicrobial Efficacy of Cefoperazone-Salbactam Plus Tigecycline Versus Cefoperazone-Salbactam Against Respiratory Pathogens and Their Effect on Laboratory Indices”. Pakistan Armed Forces Medical Journal, vol. 73, no. 3, July 2023, pp. 913-16, https://doi.org/10.51253/pafmj.v73i3.10546.