Belotti Masserini, A., S. Zeni, R. Cossutta, A. Soldi, and F. Fantini. 2003. “Cost-of-Illness in Systemic Sclerosis: A Retrospective Study of an Italian Cohort of 106 Patients”. Reumatismo 55 (4):245-55. https://doi.org/10.4081/reumatismo.2003.245.