Salaffi, F., and A. Stancati. “Disability and Quality of Life of Patients With Rheumatoid Arthritis: Assessment and Perspectives”. Reumatismo 56, no. s1 (March 30, 2004): 87–106. Accessed April 19, 2024. https://www.reumatismo.org/reuma/article/view/reumatismo.2004.1s.87.