Assessing the effect of a single dose florfenicol treatment in feedlot cattle on the antimicrobial resistance patterns in faecal Escherichia coliAnna Catharina B. Berge, William B. Epperson and Robbi H. PritchardVet. Res., 36 5-6 (2005) 723-734DOI: https://doi.org/10.1051/vetres:2005027