Amira M. Sultan, Nawal S. Gouda, Heba E. Eldegla, Mohammad A. Sultan, Mostafa M. Nabeeh, Manal M. Nomir (2019): “ Healthcare Associated Infections Caused by Gram-negative Bacilli in Adult Intensive Care Units: Identification of AmpC Beta-Lactamases Mediated Antimicrobial Resistance”. Egyptian Journal of Medical Microbiology 28 (2) : 61-68