PLASMAPHERESIS, RITUXIMAB AND LOW-DOSE CYCLOPHOSPHAMIDE FOR REMISSION INDUCTION THERAPY IN SEVERE ANCA-ASSOCIATED VASCULITIS - Gulati,K; McAdoo,S; Galliford,J; Griffith,M; Levy,J; Cairns,T; Pusey,C (OXFORD UNIV PRESS, 2018)