Z. Babar, M. P. Chaudhry, and F. Akhtar, “FREQUENCY OF CHRONIC PERIODONTITIS IN A CROSS SECTION OF PAK ARMY PERSONNEL: Chronic Periodontitis”, Pak Armed Forces Med J, vol. 58, no. 2, pp. 185–188, Jun. 2008, Accessed: Jan. 02, 2025. [Online]. Available: https://pafmj.org/PAFMJ/article/view/1773