Al-Ghurabi, Batool H, and Sara M Mohssen. “Salivary Level of RANKL and OPG in Chronic Periodontitis”. Journal of Baghdad College of Dentistry 27, no. 1 (March 15, 2015): 189–194. Accessed May 2, 2024. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/657.