Tegner, E, and AM. Brudin. “Polymorphous Light Eruption in Hypopigmented Pressure Areas With a UVA Sunbed”. Acta Dermato-Venereologica 66, no. 5 (September 1, 1986): 446–448. Accessed June 22, 2026. https://medicaljournalssweden.se/actadv/article/view/6749.