Cassisi, G., P. Sarzi-Puttini, A. Alciati, R. Casale, L. Bazzichi, R. Carignola, R.H Gracely, et al., trans. 2008. “Symptoms and Signs in Fibromyalgia Syndrome”. Reumatismo 60 (s1): 15-24. https://doi.org/10.4081/reumatismo.2008.1s.15.