Air pollution during pregnancy and placental adaptation in the levels of global DNA methylation.

PLoS One · 2018 · PMC6034814 · PMID 29979694

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may not be significantno p-value reported

Secondly, it is likely that the results due to paired comparisons may not be significant when multiple comparison statistics are considered.

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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.