Validity of a food frequency questionnaire to estimate long-chain polyunsaturated fatty acid intake among Japanese women in early and late pregnancy.

J Epidemiol · 2017 · PMC5328737 · PMID 28135195

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a significant trendno p-value reported

We found that, for EPA and DHA, our FFQ categorized subjects into quintiles that showed a significant trend not only in intake calculated from DR but also composition in serum phospholipids.

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