Castanet, J, J P Lacour, C Perrin, J F Guidoni, and J P Ortonne. “Sclerodermatous Changes Revealing Porphyria Cutanea Tarda”. Acta Dermato-Venereologica 74, no. 4 (July 1, 1994): 310–311. Accessed June 23, 2026. https://medicaljournalssweden.se/actadv/article/view/16382.