Lumetti, F., L. Barone, C. Alfieri, M. Silva, V. Serra, G. Delsante, N. Sverzellati, and A. Ariani. “Quality of Life and Functional Disability in Patients With Interstitial Lung Disease Related to Systemic Sclerosis”. Acta Bio Medica Atenei Parmensis, Vol. 86, no. 2, Sept. 2015, pp. 142-8, https://mattioli1885journals.com/index.php/actabiomedica/article/view/3997.