无菌条件下取正常足月剖宫产胎儿的脐带血，经肝素抗凝，用淋巴细胞分离液分离脐血单个核细胞。
The specimens were obtained sterilely with preservative-free heparin, and the cord blood mononuclear cell was isolated by lymphocyte separation medium.
无菌条件下取正常足月剖宫产胎儿的脐带血，经肝素抗凝，用淋巴细胞分离液分离脐血单个核细胞。
The specimens were obtained sterilely with preservative-free heparin, and the cord blood mononuclear cell was isolated by lymphocyte separation medium.
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