Mohammad Jarallah, Eman, and Fatima Moeen Abbas. “Phenotypic and Genotypic Detection of PER β-Lactamase Among Carbapenem Resistant Klebsiella Pneumoniae in Hilla Hospitals”. Al-Kufa University Journal for Biology, vol. 9, no. 2, July 2017, pp. 108-17, doi:10.36320/ajb/v9.i2.7587.