目的：探讨非亲缘供者外周血造血干细胞移植（UD-PBSCT）治疗重型再生障碍性贫血（SAA）的可行性。

Objective:To investigate efficacy of unrelated donor allogeneic peripheral blood stem cell transplantation(UD-PBSCT) in treatment of severe aplastic anemia(SAA).

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目的建立无关供者脐血干细胞库，用于治疗骨髓衰竭、恶性及非恶性血液病、某些遗传病、重型免疫缺陷等疾病的干细胞移植。

Objective To establish unrelated cord blood stem cell bank for providing potential grafts for stem cell transplantation in the treatment of some malignant and nonmalignant disorders.

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目的 ：观察HLA位点不相合的非亲缘脐血细胞移植治疗重型再生障碍性贫血 （SAA）的疗效。

Objective:To investigate the efficacy of unrelated HLA non-identical cord blood transplantation in severe aplastic anemia (SAA).

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