无创性产前诊断的研究进展(2)
[3] Diana W. Bianchi,Gretchen k et al Male fetal progenitor cells persist in maternal blood for as long as 27 years postpartum [J].Proc Natl 1996.93(1):705-708[4] Troeger C, Holzgreve W, Hahn S. A comparison of different density gradients and antibodies for enrichment of fetal erythroblasts by MACS. Prenat Diagn. 1999;19:521–526. ......
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