Angioni, M., A. Denotti, S. Pinna, C. Sanna, F. Montisci, G. Dessole, A. Loi, and A. Cauli. “Spa Therapy Induces Clinical Improvement and Protein Changes in Patients With Chronic Back Pain”. Reumatismo, vol. 71, no. 3, Oct. 2019, pp. 119-31, doi:10.4081/reumatismo.2019.1200.