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 . IJPRT [Internet]. 2025 Dec. 17 [cited 2025 Dec. 24];15(2):3936-41. Available from: https://ijprt.org/index.php/pub/article/view/1342