Salaffi, Fausto, Marco Di Carlo, Marina Carotti, Sonia Farah, Alessandro Ciapetti, and Marwin Gutierrez. “The Impact of Different Rheumatic Diseases on Health-Related Quality of Life: A Comparison With a Selected Sample of Healthy Individuals Using SF-36 Questionnaire, EQ-5D and SF-6D Utility Values”. Acta Bio Medica Atenei Parmensis 89, no. 4 (January 15, 2019): 541-557. Accessed October 16, 2019.