Ali, Ali J, and Saif S Saliem. “Photodynamic Therapy and Periodontology”. Journal of Baghdad College of Dentistry 28, no. 2 (June 15, 2016): 69–72. Accessed April 28, 2024. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/1148.