Quantification of cell-free DNA in normal and complicated pregnancies: overcoming biological and technical issues.

PLoS One · 2014 · PMC4079713 · PMID 24987984

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may be significantno p-value reported

While the differences may be significant with a larger sample size, for the purpose of the present study we included samples extracted with both kits (using the QIAamp extraction data for the study group).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.