“Frequency and Antimicrobial Sensitivity Pattern of Extended Spectrum β-Lactamases Producing Escherichia coli and Klebsiella pneumoniae Isolated from urine at a Tertiary Care Hospital” (2012) Journal of Shaheed Suhrawardy Medical College, 4(1), pp. 22–25. doi:10.3329/jssmc.v4i1.11999.