Ghada Younis A, Heba F H, Ammar S S. Assessment of Periodontal Pathogens and Gingival Health Improvement after School-based Educational Program among Secondary School Students. HOM [Internet]. 2023 Apr. 30 [cited 2025 Jun. 23];9(1). Available from: https://historymedjournal.com/HOM/index.php/medicine/article/view/580