ABITHA S, TASLEEM, et al. “Prevalence Of Dental Caries Among Smokers And Non Smokers Visiting A Private Dental Institution - A Retrospective Study”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 2, Apr. 2021, pp. 3379-86, https://cibgp.com/index.php/1323-6903/article/view/1243.