T, P. ., J. . PRABAKAR, and D. . GANAPTHY. “Prevalence and Severity of Gingivitis Among 19–22-Year-Old Patients Attending Private Dental College, Chennai: A Hospital Based Cross-Sectional Study”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 2, Apr. 2021, pp. 607-16, https://www.cibgp.com/index.php/1323-6903/article/view/967.