Scarsi, M., M. Rossi, E. Danieli, A. Frigè, A. Grottolo, A. Zambruni, and P. Airò. 2008. “Long-Term Effects of Cyclic Therapy With Iloprost in Systemic Sclerosis”. Reumatismo 60 (2):114-19. https://doi.org/10.4081/reumatismo.2008.114.