Mahawar, Priyanka, Shweta Anand, Umesh Sinha, Madhav Bansal, and Sanjay Dixit. 2011. “Screening For Pre-Malignant Conditions in The Oral Cavity of Chronic Tobacco Chewers”. National Journal of Community Medicine 2 (01):82-85. https://njcmindia.com/index.php/file/article/view/1849.