1. Regional variation in the prevalence of extended-spectrum β-lactamase-producing clinical isolates in the Asia-Pacific region (SENTRY 1998–2002);Hirakata;Diagn Microbiol Infect Dis,2005
2. Extended-spectrum β-lactamases among urinary Escherichia coli and Klebsiella species in New Zealand in 2000;Brett,2000
3. Institute of Environmental Science & Research. Extended-spectrum β-lactamases (ESBLs) in Enterobacteriaceae confirmed in 2005. Porirua, New Zealand: ESR. http://www.surv.esr.cri.nz/PDF_surveillance/Antimicrobial/ESBL/ESBL_2005.pdf [accessed 11 August 2009].
4. Extended-spectrum β-lactamase-producing Enterobacteriaceae at Middlemore Hospital;Briggs;N Z Med J,2005
5. Clinical and Laboratory Standards Institute. Performance standards for antimicrobial susceptibility testing. Sixteenth informational supplement. Document M100-S16. Wayne, PA: CLSI; 2006.