Cozzi, F., P. Zucchetta, N. Durigon, M. Marzola, A. Bullo, M. Favaro, F. Bui, and S. Todesco. “Esophageal Dysmotility in Scleroderma Patients With Different Disease Forms and ANA Patterns: A Scintigraphic Study in 100 Cases”. Reumatismo, vol. 55, no. 2, June 2003, pp. 86-92, doi:10.4081/reumatismo.2003.86.