Distribution of antimicrobial resistance and some widespread extended-spectrum beta-lactamase genes in different phylogroups of Shiga toxin-producing Escherichia coli (STEC) isolates of ruminant origin Journal title: Iranian Journal of Veterinary Science and Technology (IJVST) Authors: Rwida Tomeh,Mahdi Askari Badouei,Gholamreza Hashemi Tabar,Hamideh Kalateh Rahmani, Subject(s): Veterinary Science