Pratap Singh Tamang, Gyan Prasad Bajgai, and Hari Prasad Pokhrel. “Distribution of Oral Submucous Fibrosis Cases and Malignant Transformation Rate Among Bhutanese Patients Treated at Jigme Dorji Wangchuck National Referral Hospital, Bhutan”. International Healthcare Research Journal 4, no. 12 (March 22, 2021): OR7-OR10. Accessed July 30, 2021. https://ihrjournal.com/ihrj/article/view/391.