Madhusudan, M, BP Sudarshan, T V Sanjay, Arun Gopi, and U Gitanjali. “Tobacco Usage Pattern and Its Determinants Among the Students of a Medical College in Kerala”. National Journal of Community Medicine 8, no. 12 (December 31, 2017): 733–736. Accessed July 22, 2024. https://njcmindia.com/index.php/file/article/view/1822.