PEHLİVANOĞLU, Faruk2019-04-182019-04-181300-0861http://hdl.handle.net/20.500.12575/59705https://doi.org/10.1501/Vetfak_0000002813Characterization of extended-spectrum beta-lactamase-producing fecal Escherichia coli isolates in laying hens301306