Perrotta, F.M., A. Delle Sedie, S. Scriffignano, P. Volpe, E. Cordisco, N. Milano, M. Gabini, and E. Lubrano. “Remission, Low Disease Activity and Improvement of Pain and Function in Psoriatic Arthritis Patients Treated With IL-12/23 and IL-17 Inhibitors. A Multicenter Prospective Study”. Reumatismo 72, no. 1 (April 10, 2020): 52-59. Accessed July 6, 2020. https://www.reumatismo.org/index.php/reuma/article/view/1266.