Afzal, R.K. et al. 2023. Superadded Bacterial Infections in COVID–19 Patients; Antimicrobial Susceptibility and Association with Serological Markers. Pakistan Armed Forces Medical Journal. 73, 1 (Feb. 2023), 139–42. DOI:https://doi.org/10.51253/pafmj.v73i1.8492.