Methods Human umbilical cord blood hematopoietic cells were irradiated with coppervapourlaser 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。
2
Proliferative effect of low energy laser and colony stimulating factor (CSF) on human umbilical cord blood hematopoietic cells was observed in vitro with coppervapourlaser irradiation.