Li J-N, Li Y, Lin J-X, Wang L-N, Zhang X-L, Ouyang J, Chen D-B, Chen S-Q, Li J-X, Luo X-Q, et al. Case Report: CD19 and CD20 monoclonal antibodies with sequential chemotherapy for refractory acute B-lymphocytic leukemia in children. Front Immunol. 2023;14:1280759.