Stisi, S., M. Cazzola, D. Buskila, M. Spath, M.A. Giamberardino, P. Sarzi-Puttini, G. Arioli, A. Alciati, G. Leardini, R. Gorla, M. Marsico, F. Ceccherelli, L. Bazzichi, R. Carignola, R.H. Gracely, F. Salaffi, L. Altomonte, and F. Atzeni. “Etiopathogenetic Mechanisms of Fibromyalgia Syndrome”. Reumatismo 60, no. s1 (1): 25-35. Accessed April 10, 2021. https://reumatismo.org/index.php/reuma/article/view/reumatismo.2008.1s.25.