Cancer risk with folic acid supplements: a systematic review and meta-analysis.

BMJ Open · 2012 · PMC3278486 · PMID 22240654

Europe PMC DOI

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borderline significantno p-value reported

Conclusions A meta-analysis of 10 RCTs showed a borderline significant increase in frequency of overall cancer in the folic acid group compared to controls.

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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.