Kariyattil, Rajeev, Venkatesh Govindaraju, Rana S. Hamid, and Muthukuttiparambil Unnikrishnan. 2014. “Primary Extradural Meningioma Presenting As Frontal Sinusitis With Extensive Bony Changes : Case Report”. Sultan Qaboos University Medical Journal 14 (4):566-70. https://journals.squ.edu.om/index.php/squmj/article/view/1970.