European multicentre study to define disease activity criteria for systemic sclerosis. II. Identification of disease activity variables and development of preliminary activity indexes.
Valentini G, Della Rossa A, Bombardieri S, Bencivelli W, Silman AJ, D'Angelo S, Cerinic MM, Belch JF, Black CM, Bruhlmann P, Czirják L, De Luca A, Drosos AA, Ferri C, Gabrielli A, Giacomelli R, Hayem G, Inanc M, McHugh NJ, Nielsen H, Rosada M, Scorza R, Stork J, Sysa A, van den Hoogen FH, Vlachoyiannopoulos PJ.
Valentini G, et al. Among authors: van den hoogen fh.
Ann Rheum Dis. 2001 Jun;60(6):592-8. doi: 10.1136/ard.60.6.592.
Ann Rheum Dis. 2001.
PMID: 11350848
Free PMC article.