Lassus, A, T Reunala, J Idänpää-Heikkilä, T Juvakoski, and O Salo. “PUVA Treatment and Skin Cancer: A Follow-up Study”. Acta Dermato-Venereologica 61, no. 2 (March 1, 1981): 141–145. Accessed February 24, 2025. https://medicaljournalssweden.se/actadv/article/view/10447.