Kamal Asaad , Nahla. “The Relationship of Gingival Inflammation and Salivary PH to Hormonal Variation During Menstruation”. Al-Kufa University Journal for Biology 12, no. 3 (April 1, 2020): 29–33. Accessed August 23, 2026. https://journal.uokufa.edu.iq/index.php/ajb/article/view/11795.