方法用铜蒸气激光照射人脐带血造血细胞，体外培养扩增细胞并计数集落细胞数。
Methods Human umbilical cord blood hematopoietic cells were irradiated with copper vapour laser and cultured in vitro. The number of colony and cells was calculated.
方法用铜蒸气激光照射人脐带血造血细胞，体外培养扩增细胞并计数集落细胞数。
Methods Human umbilical cord blood hematopoietic cells were irradiated with copper vapour laser and cultured in vitro. The number of colony and cells was calculated.
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