2Garderet L, Dulphy N, Douay C, et al. The umbilical cord blood alphabeta.T-cell repertoire: Chareeteristica of a polyclonal and nayve but completely formed repertoire[J]. Blood, 1998,91:340.
3Roncarolo MC,Bigler M,Ciuti E, et al. Immune responses by cord blood cells. Blood cells[J]. 1994,20:573.
4Mitchell S Calro,John E Wagner. Placental and or Umbilical Cord Blood: An Alternative Source of Hematopoietic Stem Coils for Thansplanlation [J]. Blood, 2006,90(12) :4665.
