Jose, K. P., Rajan, P., Guddad, S. S., & Kamath, V. K. (2018). TNF – α Polymorphism In Periodontitis: A Review: TNF – α Polymorphism In Periodontitis: A Review. National Journal of Integrated Research in Medicine, 6(6), 79–82. Retrieved from http://nicpd.ac.in/ojs-/index.php/njirm/article/view/1025