Highly Sensitive Flow Cytometric Detection of Residual B-Cells After Rituximab in Anti-Neutrophil Cytoplasmic Antibodies-Associated Vasculitis Patients. - van Dam LS; Oskam JM; Kamerling SWA; Arends EJ; Bredewold OW; Berkowska MA; van Dongen JJM; Rabelink TJ; van Kooten C; Teng YKO (Frontiers in immunology, 2020)