Elshenawy, H. M., A. M. Eldin, and M. A. Abdelmonem. “Clinical Assessment of the Efficiency of Low Level Laser Therapy in the Treatment of Oral Lichen Planus”. Open Access Macedonian Journal of Medical Sciences, vol. 3, no. 4, Oct. 2015, pp. 717-21, doi:10.3889/oamjms.2015.112.