Kholoud Ftis, Walid Ftis, and Samira Buzinin. “The Effect of Initial Periodontal Therapy on RANKL/OPG Ratio in Gingival Crevicular Fluid”. Khalij-Libya Journal of Dental and Medical Research (March 12, 2023): 23–28. Accessed April 25, 2024. http://journals.khalijedental.com.ly/index.php/ojs/article/view/45.