European therapeutic trials in ANCA-associated systemic vasculitis: Disease scoring, consensus regimens and proposed clinical trials EUROPEAN COMMUNITY STUDY GROUP ON CLINICAL TRIA... by Rasmussen, N, Jayne, D, Abramowicz, D, Andrassy, K, Bacon, P, Cohen Tervaert, J, Dadonlené, J, Feighery, C, Van Es, L, Ferrario, F, Gaskin, G, Gregorini, G, De Groot, K, Gross, W, Grönhagen-Riska, C, Guillevin, L, Hagen, E, Heigl, Z, Hermans, J, Kallenberg, C, Landais, P, Lesavre, P, Lockwood, C, Luqmani, R, Mirapeix, E