The hematopoietic recovery in half matched group was faster than in allo BMT group, esp. after day 9, as evidenced by the blood routine, bone marrow CFU GM assay, spleen node and chimera assay. 半相合骨髓移植與異基因骨髓移植比較，外周血象或骨髓CFU - GM恢復(fù)快，以9天以后明顯，脾結(jié)節(jié)數(shù)及嵌合體測定高于異基因組。