Red light improves spermatozoa motility and does not induce oxidative DNA damage.

Sci Rep · 2017 · PMC5397839 · PMID 28425485

Europe PMC DOI

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not significantly significantno p-value reported

The difference in calculated concentrations of damaged DNA between the two test groups in each sample was not significantly significant.

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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.