Grover, H. S., R. Saini, S. Dikshit, and A. Blaggana. “Serum Lipoproteins and Chronic Periodontitis – A Diagnostic Dilemma”. Journal of Pierre Fauchard Academy (India Section), vol. 29, no. 2-3, Sept. 2018, pp. 54-58, https://informaticsjournals.com/index.php/jpfa/article/view/22269.