Tiao, J. “The Use of Doxycycline in Lichen Planopilaris and Frontal Fibrosing Alopecia: A Retrospective Study of 138 Patients at a Tertiary Referral Clinic”. SKIN The Journal of Cutaneous Medicine, vol. 3, no. 2, Mar. 2019, pp. 155-6, doi:10.25251/skin.3.2.34.