Phenotypic and Molecular Characterization of Plasmid Mediated AmpC β-Lactamases among Escherichia coli, Klebsiella spp., and Proteus mirabilis Isolated from Urinary Tract Infections in Egyptian Hospitals
Figure 3
AmpC disc test. A: presence of blunting towards cefoxitin disc indicates positive test, B and C: absence of blunting indicates negative test.