Outcomes from studies of antineutrophil cytoplasm antibody associated vasculitis: A systematic review by the European League Against Rheumatism systemic vasculitis task force

C. Mukhtyar, O. Flossmann, B. Hellmich, P. Bacon, M. Cid, J. W. Cohen-Tervaert, W. L. Gross, L. Guillevin, D. Jayne, A. Mahr, P. A. Merkel, H. Raspe, D. Scott, J. Witter, H. Yazici, R. A. Luqmani