khalighi, Hamid Reza, et al. “Evaluating the Efficacy of the Er,Cr:YSGG Fractional Laser Before Treatment With Triamcinolone NN Ointment in Oral Lichen Planus Lesions: Lichen Planus and Laser Assisted Drug Delivery System”. Journal of Lasers in Medical Sciences, vol. 13, May 2022, p. e23, https://journals.sbmu.ac.ir/jlms/article/view/35319.