Iqbal et al, Kanwal, Mervyn Hosein, Saima Butt, and Afifa Razi. “Salivary Expression of HIF-1 α in Oral Submucous Fibrosis”. Pakistan Journal of Medicine and Dentistry 10, no. 4 (May 17, 2024): 57–62. Accessed December 1, 2024. https://ojs.zu.edu.pk/pjmd/article/view/1546.