Varshney, Saurabh, Shivanjali Sandhir, and Sarita Mishra. “A Study of Oral Pre-Malignant Lesions and Related Risk Factors”. Indian Journal of Community Health 27, no. 1 (March 31, 2015): 130–134. Accessed November 25, 2024. http://iapsmupuk.org/journal/index.php/IJCH/article/view/544.