HAMID ABDUL QAIYUM, and UROOJ AHMED CHOUDHRY. “CHRONIC MAXILLARY SINUSITIS – DIAGNOSIS AND ENDOSCOPIC MANAGEMENT”. International Journal of Pharma and Bio Sciences 6, no. 3 (September 30, 2015): 920–928. Accessed July 24, 2026. https://ijpbs.net/index.php/journal/article/view/4538.