Authors: Medsger, TA Silman, AJ Steen, VD Black, CM Akesson, A Bacon, PA Harris, CA Jablonska, S Jayson, MIV Jimenez, SA Krieg, T Leroy, EC Maddison, PJ Russell, ML Schachter, RK Wollheim, FA Zacharaie, H

Citation: Ta. Medsger et al., A disease severity scale for systemic sclerosis: Development and testing, J RHEUMATOL, 26(10), 1999, pp. 2159-2167