MHC haploidentical allogeneic bone marrow transplantation was performed in the experimental group and MHC mismatched bone marrow transplantation in the control group.

• 实验组进行主要组织相容性复合物单倍型相合的同种异基因骨髓移植，对照组进行主要组织相容性复合物完全不相合的骨髓移植。