Charge flow separation: quantification o
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Stephen S. Wachtel; David Sammons; Garland Twitty; Joe Utermohlen; Elizabeth Tol
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Article
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1998
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John Wiley and Sons
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English
β 123 KB
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We set out to ascertain the numbers of fetal cells that enter the maternal blood stream during pregnancy. Samples of 15-16 ml of whole blood were collected from 225 women--mostly 10-18 weeks pregnant--and then processed by charge flow separation, a novel method based on free flow electrophoresis in