Stroke frequency, associated factors, and clinical features in primary systemic vasculitis: a multicentric observational study 著者: Geraldes, R, Santos, M, Ponte, C, Craven, A, Barra, L, Robson, JC, Hammam, N, Springer, J, Henes, J, Hocevar, A, Putaala, J, Santos, E, Rajasekhar, L, Daikeler, T, Karadag, O, Costa, A, Khalidi, N, Pagnoux, C, Canhão, P, Melo, TPE, Fonseca, AC, Ferro, JM, Fonseca, JE, Suppiah, R, Luqmani, RA