Extended spectrum beta-lactamase testing of community Enterobacteriaceae in the west of Australia: poor performance of phenotypic methods

Production of extended-spectrum beta-lactamases in Escherichia coli isolated from poultry in Rio de Janeiro, Brazil

“…The variability of different phenogenotypic resistance patterns and the fact that some samples demonstrated the resistance gene but not the phenotypic trait support the conclusions of Stokes et al (2015). The phenotypic tests indicated the production of ESBL; however, the multiplicity of existing…”