1. Bradford PA. Extended-spectrum beta-lactamases in the 21st century: characterization, epidemiology and detection of this important resistance threat. Clin Microbiol Rev. 2001;14:933–51.
2. Kocagoz S, Budak F, Gur D. Evaluation of a chlorogenic medium for rapid detection of extended spectrum beta-lactamases producing Salmonella spp. Indian J Med Res. 2006;124:443–6.
3. Collee JG, Miles RS, Watt B. Tests for identification of bacteria. In: Collee JG, Fraser AG, Marmion BP, Simmons A, Eds. Mackie & McCartney Practical Medical Microbiology, 14th Ed, New York, Churchill Livingstone, 1996. pp. 131–49.
4. Clinical and Laboratory Standards Institute (CLSI). Performance standards for antimicrobial susceptibility testing. CLSI approved standards M-100-S16 (M7). Wayne: Clinical and Laboratory Standards Institute; 2006.
5. Bauer AW, Kirby WMN, Sherries JL. Antibiotics susceptibility testing by standard disc method. Am J Clin Pathol. 1996;106:45–6.