V, N. S. ., V. P. . J, and S. G. . AS. “Human Genetic Variations Associated With Periodontitis- A Mini Review”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 2, Apr. 2021, pp. 580-6, https://cibgp.com/au/index.php/1323-6903/article/view/963.