Singh, Rajkumar Manojkumar, and Huidrom Lokhendro Singh. “Comparative Evaluation of Six Phenotypic Methods for Detecting Extended-Spectrum Beta-Lactamase-Producing Enterobacteriaceae”. The Journal of Infection in Developing Countries, vol. 8, no. 04, Apr. 2014, pp. 408-15, doi:10.3855/jidc.4052.