Gupta, Abhishek, et al. “Clinical Applications of 980 Nm Diode Laser for Soft Tissue Procedures in Prosthetic Restorative Dentistry”. Journal of Lasers in Medical Sciences, vol. 3, no. 4, Sept. 2012, pp. 185-8, https://journals.sbmu.ac.ir/jlms/article/view/3217.