无论采用来自于外周血、骨髓或者脐血的干细胞进行移植，疾病的复发率都类似。

The relapse or disease recurrence rates are similar regardless of whether the stem cells used for transplantation are from bone marrow, peripheral blood, or umbilical cord blood.

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结论使用本方法能安全、有效的进行低体质量小儿外周血干细胞的采集。

Conclusion The way we developed to collect peripheral blood stem cells in children with low body weight is safe and effective.

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