A smoking gun? Epigenetic markers of tobacco use history.

Environ Health Perspect · 2014 · PMC3915250 · PMID 24486792

Europe PMC DOI

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highly significantno p-value reported

“The finding that F2RL3 hypomethylation is associated with both duration and intensity of exposure is highly significant,” he says.

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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.