Hijab Shah, Soffia Khursheed, Ammara Ijaz. “Histomorphological Variants of Squamous Cell Carcinoma in Upper Aero-Digestive Tract”. Journal of Rawalpindi Medical College 22, no. 1 (March 30, 2018). Accessed January 1, 2026. http://www.journalrmc.com/index.php/JRMC/article/view/850.