حسين خلف ص. 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, [S. l.], v. 11, n. 4, p. 596–611, 2012. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/39109. Acesso em: 26 oct. 2025.