1Simpson JL,Elias S.Solating fetal cells from metemal blood,advancer in prenatal diagnosis through molecular technology[J].JAMA,1993,270:2357-2361.
2Hanion-Lundberg KM,Kirby RS,Gandhi S,et al.Nucleated red blood cells in cord blood of singleton term neonate[J].Am J obstet Gynecol,1997,176 (5):1149-54.
3Korst LM,Phelan JP,Ahn MO,et al.Nucleated red blood cells:an update on the marker for fetal asphyxia[J].Am J Obstet Gynecol,1996,175(4 Pt1):843 -6.
4Ferber A,Fridel Z,Weissmann-Brenner A.Are elevated fetal nucleated red blood cel I counts an indirect reflection of enhanced erythropoietin activity?[J].Am J Obstet Gynecol,2004 May,190(5):1473 -5.
5Erices A,Conget P,Minguell JJ.Mesenchymal progenitor cells in human umbilical cord blood.Brit J Haematol,2000,109:235~242.