[1] Transferable beta-lactamase. A new mechanism for in vitro penicillin resistance in Streptococcus faecalis

[2] Extended spectrum beta-lactamases

[3] Recommendation for treatment of severe infections caused by Enterobacteriaceae producing extended-spectrum beta-lactamases (ESBLs)

[4] Detection of CMY-2, CTX-M-14, and SHV-12 beta-lactamases in Escherichia coli fecal-sample isolates from healthy chickens