surveillance study has shown that up to 30% of Haemophilus influenzae strains are resistant to amoxicillin due to B-lactamase
Characterization of OXA-181, a carbapenem-hydrolyzing class D b-lactamase
from Klebsiella pneumoniae.
Multidrug-resistant human and animal Salmonella Typhimurium isolates in France belong predominantly to a DT104 clone with the chromosome--and integron-encoded b-lactamase
Community transmission of extended- spectrum b-lactamase
Plasmid-mediated carbapenem-hydrolyzing b-lactamase
, KPC-2, in Klebsiella pneumoniae isolates.
Molecular and biochemical characterization of VEB-1, a novel class A extended-spectrum B-lactamase
encoded by an Escherichia coli integron gene.
Controversies about extended-spectrum and AmpC b-lactamases