Raffeiner, B., C. Botsios, F. Ometto, L. Bernardi, A. Montante, P. Sfriso, S. Todesco, and L. Punzi. “TNFα Blockers and Infectious Risk in Rheumatoid Arthritis”. Reumatismo 61, no. 3 (1): 165-173. Accessed April 20, 2021. https://reumatismo.org/index.php/reuma/article/view/reumatismo.2009.165.