Rojanapanthu, Pattareewan, and Julphat Intarasupt. 2017. “Extragenital lichen sclerosus: a case report and successful treatment with the combination of narrowband ultraviolet-B phototherapy and acitretin”. Thai Journal of Dermatology 33 (4):336-41. https://he02.tci-thaijo.org/index.php/TJD/article/view/159129.