K. G. Sen, M. K. Mostofa, A. Ali, S. K. Sarkar, C. Sorcar, and K. Begum, “Efficacy of Betamethasone Oral Mini-Pulse Therapy in the Treatment of Lichen Planus”, Faridpur Med Coll J, vol. 10, no. 2, pp. 47–49, Nov. 2016.