Phenotypic Screening and Genotypic Characterization of Extended- spectrum-beta-lactamase Producing Uropathogenic Escherichia coli (UPEC) isolated from a Tertiary Care Hospital in Bangladesh. J. Dhaka Natl. Med. Coll. Hosp. 2023;29(2):7-12. doi:10.3329/jdnmch.v29i2.80553