Colaci, M., D. Giuggioli, A. Manfredi, M. Sebastiani, F. Coppi, R. Rossi, and C. Ferri. 2012. “Aortic Pulse Wave Velocity Measurement in Systemic Sclerosis Patients”. Reumatismo 64 (6):360-67. https://doi.org/10.4081/reumatismo.2012.360.