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Validation of a food frequency questionnaire for Japanese pregnant women with and without nausea and vomiting in early pregnancy
BACKGROUND: No previous study has shown the validity of a food frequency questionnaire (FFQ) in early pregnancy with consideration of nausea and vomiting during pregnancy (NVP). The aim of this study was to evaluate the validity of a FFQ in early pregnancy for Japanese pregnant women. METHOD: We inc...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5394225/ https://www.ncbi.nlm.nih.gov/pubmed/28223084 http://dx.doi.org/10.1016/j.je.2016.06.004 |