Agren-Jonsson, S, and E. Tegner. “PUVA Therapy for Palmoplantar Pustulosis”. Acta Dermato-Venereologica 65, no. 6 (November 1, 1985): 531–535. Accessed July 17, 2024. https://medicaljournalssweden.se/actadv/article/view/6945.