%0 Journal Article %T Phenotypic and genotypic determination of β-lactamase-producing Escherichia coli strains isolated from raw milk and clinical mastitis samples, Mashhad, Iran %A Saei, Mina %A Jamshidi, Abdollah %A Tayebeh Zeinali %A KHoramian Toosi, Babak %J International Dairy Journal %@ 0958-6946 %D 2022