Unteng, T., and R. Panchaprateep. “Lichen planus pigmentosus with frontal fibrosing alopecia: A case report”. Thai Journal of Dermatology, vol. 35, no. 1, Mar. 2019, pp. 43-48, https://he02.tci-thaijo.org/index.php/TJD/article/view/176014.