Al Muharrmi, Z., Rafay, A., Balkhair, A., & Jabri, A. A. (2008). Antibiotic Combination as Empirical Therapy for Extended Spectrum Beta-Lactamase. Oman Medical Journal, 23(2). https://omanscience.com/en/articles/antibiotic-combination-as-empirical-therapy-for-extended-spectrum-beta-lactamase