Salaffi, F., A. Ciapetti, P. Sarzi Puttini, F. Atzeni, C. Iannuccelli, M. Di Franco, M. Cazzola, and L. Bazzichi. 2012. “Preliminary Identification of Key Clinical Domains for Outcome Evaluation in Fibromyalgia Using the Delphi Method: The Italian Experience”. Reumatismo 64 (1):27-34. https://doi.org/10.4081/reumatismo.2012.27.