Icardi, A., P. Araghi, M. Ciabattoni, U. Romano, P. Lazzarini, and G. Bianchi. “Kidney Involvement in Rheumatoid Arthritis”. Reumatismo 55, no. 2 (1): 76-85. Accessed April 7, 2020. https://www.reumatismo.org/index.php/reuma/article/view/reumatismo.2003.76.