Cacace, E., V. Ruggiero, C. Anedda, A. Denotti, L. Minerba, and G. Perpignano. “Quality of Life and Associated Clinical Distress in Fibromyalgia”. Reumatismo, vol. 58, no. 3, Sept. 2006, pp. 226-9, doi:10.4081/reumatismo.2006.226.