Bello, S., C. Bonali, L. Serafino, C. Rotondo, N. Terlizzi, and G. Lapadula. “Intra-Articular Therapy With Tumor Necrosis Factor-α Antagonists: An Update”. Reumatismo 65, no. 6 (March 14, 2014): 257-263. Accessed April 12, 2021. https://www.reumatismo.org/index.php/reuma/article/view/reumatismo.2013.721.