Lavaroni, G, F Kokelj, P Pauluzzi, and G. Trevisan. “The Nails in Psoriatic Arthritis”. Acta Dermato-Venereologica 74 (February 1, 1994): 113. Accessed June 25, 2026. https://medicaljournalssweden.se/actadv/article/view/5433.