Sotiriou, E., et al. “Childhood Discoid Lupus Erythematosus. A Case Treated With Topical Calcineurin Inhibitors”. European Journal of Pediatric Dermatology, vol. 19, no. 4, Dec. 2009, pp. 214-7, https://ejpd.migration.pkpps03.publicknowledgeproject.org/index.php/journal/article/view/536.