THE PROGNOSTIC VALUE OF THE BIRMINGHAM VASCULITIS ACTIVITY SCORE AND THE VASCULITIS DAMAGE INDEX IN ANCA-ASSOCIATED VASCULITIS - Suppiah, R; Batra, R; Robson, J; Arden, N; Flossmann, O; Harper, L; Hoglund, P; Jayne, D; Judge, A; Mukhtyar, C; Westman, K; Luqmani, R (2011)