Senthilnathan, S, M Baskaran, S Thirumalai, and MB Naarayanen. “A Comparative Study to Evaluate Gingival Depigmentation Using Scalpel Blade Technique and CO2 Lasers”. Journal of Orofacial Research 4, no. 1 (January 1, 1970): 59–62. Accessed December 5, 2025. https://mansapublishers.com/jofr/article/view/1981.