Olivieri, L., C. Salvarani, F. Cantini, L. Punzi, and M. Matucci Cerinic. “Recommendations for Starting Anti TNF-α in Patients With Ankylosing Spondylitis”. Reumatismo 55, no. 4 (December 30, 2003): 220–223. Accessed November 22, 2024. https://www.reumatismo.org/reuma/article/view/reumatismo.2003.220.