Punzi, L., and R. Ramonda. “Psoriatic Arthritis. When the Heterogeneity Requires Normality”. Reumatismo 64, no. 2 (June 5, 2012): 59–65. Accessed April 26, 2024. https://www.reumatismo.org/reuma/article/view/reumatismo.2012.59.