حسين خلف ص. (2012). Sensitivity of Staphylococcus aureus and Klebsiella pneumoniae isolated from rhinosinusitis cases towards some antibiotics and their abilities of β-lactamase production. College of Basic Education Research Journal, 11(4), 596–611. Retrieved from https://moss.uomosul.edu.iq/index.php/berj/article/view/39109