Polyunsaturated fatty acid intake and risk of lung cancer: a meta-analysis of prospective studies.

PLoS One · 2014 · PMC4055702 · PMID 24925369

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did not reach statistical significanceno p-value reported

The reason for this difference could be that studies with shorter follow-up periods (less than 10 years) did not reach statistical significance owing to low incidence of lung cancer.

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