Fahim, Qanita, et al. “DETECTION OF AMP-C BETA-LACTAMASES IN URINARY ISOLATES OF ESCHERICHIA COLI THROUGH VARIOUS PHENOTYPIC METHODS: AMP C Beta-Lactamases in Urinary Isolates of Escherichia Coli”. Pakistan Armed Forces Medical Journal, vol. 68, no. 5, Oct. 2018, pp. 1282-87, https://pafmj.org/PAFMJ/article/view/2308.