A. Al-Layla, Enas, and Basima A. Abdulla. “Isolation and Identification of Some Bacteria from Sinusitis Cases”. Rafidain Journal of Science 16, no. 14 (December 1, 2005): 156–172. Accessed September 29, 2025. https://jwups.uomosul.edu.iq/index.php/rsci/article/view/46599.