Gaber, Dalia Shawky, Nevine Hassan Kheir El Din, Hamdy Ahmed Nassar, Mostafa Saad El-Din Ashmawy, and Ola Mohamed Ezzatt. “Clinical and Biochemical Assessment of Lycopene Gel Combined With Nanohydroxyapatite Graft in Treatment of Grade II Furcation Defects: A Randomized Controlled Clinical Study”. Perio J 5, no. 1 (December 31, 2021): 28–37. Accessed March 29, 2024. https://perioj.com/ojs/index.php/perioj/article/view/2021-a4.