Comparison of outcomes after human leukocyte antigen-matched and haploidentical hematopoietic stem-cell transplantation for multiple myeloma oleh Yao Chen, Wei-Jun Fu, Lan-Ping Xu, Han-Yun Ren, Yong-Rong Lai, Dai-Hong Liu, Lin Liu, Zi-Min Sun, Yuan-Bin Wu, Xin Wang, Ling-Hui Xia, Ming Jiang, Tong-Lin Hu, Ding-Ming Wan, Xiao-Jun Huang, Yuan-Yuan Ji