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Validity and reproducibility of a semi‐quantitative food frequency questionnaire for use among Portuguese pregnant women
This study aimed to evaluate the validity and reproducibility of a semi‐quantitative food frequency questionnaire (FFQ) to estimate nutrient intake among Portuguese pregnant women. A sample of 101 pregnant women completed a 3‐day food diary (FD) in each pregnancy trimester (reference method) and an...
Gespeichert in:
| Veröffentlicht in: | Matern Child Nutr |
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| Hauptverfasser: | , , , , , |
| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
Blackwell Publishing Ltd
2009
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6860779/ https://ncbi.nlm.nih.gov/pubmed/20624208 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1111/j.1740-8709.2009.00199.x |
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