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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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| Publicat a: | J Epidemiol |
|---|---|
| Autors principals: | , , , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Japan Epidemiological Association
2016
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| Matèries: | |
| Accés en línia: | 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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