Foroutan, T., R. Amid, and M. R. Karimi. “Comparison of Manual Tools, Ultrasonic and Erbium-Doped Yttrium Aluminum Garnet (Er:YAG) Laser on the Debridement Effect of the Surface of the Root of Teeth Suffering from Periodontitis”. Journal of Lasers in Medical Sciences, vol. 4, no. 4, Sept. 2013, pp. 199-05, https://journals.sbmu.ac.ir/jlms/article/view/3586.