Wiegell, Stine R., Urs B. Johansen, and Hans Christian Wulf. “Pulse–Daylight–Photodynamic Therapy in Combination With Corticosteroid and Brimonidine Tartrate for Multiple Actinic Keratoses: A Randomized Clinical Trial”. Acta Dermato-Venereologica 99, no. 2 (November 9, 2018): 242–243. Accessed November 23, 2024. https://medicaljournalssweden.se/actadv/article/view/3105.