List of Articles Ali Mohamed Saafan Article 1 - The Efficiency of Photodynamic Therapy in the Management of Pain in Patients with Oral Lichen Planus 10.22034/jchr.2021.686355 Mona Abdallah Sabry Ali Mohamed Saafan Hanaa Mohamed El-Shennawy Amal Ali Hussine Doaa Mohamed Abd El- Aziz Doaa Ahmed Abdel Fadeel Journal of Chemical Health Risks , Issue 5 , Year , Winter 2021