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Validity of a food frequency questionnaire to estimate long-chain polyunsaturated fatty acid intake among Japanese women in early and late pregnancy
BACKGROUND: The relative validity of food frequency questionnaires for estimating long-chain polyunsaturated fatty acid (LC-PUFA) intake among pregnant Japanese women is currently unclear. The aim of this study was to verify the external validity of a food frequency questionnaire, originally develop...
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| Vydáno v: | J Epidemiol |
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| Hlavní autoři: | , , , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
Japan Epidemiological Association
2016
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5328737/ https://ncbi.nlm.nih.gov/pubmed/28135195 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.je.2016.07.001 |
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