Jagell, S., and S. Lidén. “Treatment of the Ichthyosis of the Sj√∂gren-Larsson Syndrome With Etretinate (Tigason)”. Acta Dermato-Venereologica 63, no. 1 (January 1, 1983): 89–91. Accessed June 2, 2026. https://medicaljournalssweden.se/actadv/article/view/7891.