Pomalidomide improves the effectiveness of CAR-T treatment in the relapsed and refractory multiple myeloma or B-cell leukemia/lymphoma with extramedullary disease oleh Jie Zhao, Hui Yang, Junnan Ge, Linyu Li, Qiong Yao, Shaolong He, Qiujuan Zhu, Ruiui Ren, Chunrui Li, Liangming Ma, Weiwei Tian, Jia Wei