Examining the frequency of blaCTX-M, blaTEM, and blaSHV genes in Escherichia coli isolates from patients in Tabriz hospitals, Iran M Ebrahimzadeh, G Pourbeiragh, A Jafarı-sales, M Pashazadeh Journal of Experimental and Clinical Medicine 40 (4), 734-739, 2023 | | 2023 |