Hammal Khan Naseer Baloch, Ahsan Qureshi, Liaquat Ali, Umera Iftikhar, Shuman Roy, Qammar Yaqub. “Prevalence of Submucous Fibrosis and Its Association With Eustachian Tube Dysfunction in Betel Nut Chewers: A Cross-Sectional Study in Pakistan”. International Journal of Pharmacy Research & Technology (IJPRT) 15, no. 2 (December 17, 2025): 3936–3941. Accessed December 24, 2025. https://ijprt.org/index.php/pub/article/view/1342.