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Reproducibility and Relative Validity of a Food Frequency Questionnaire Developed for Adults in Taizhou, China
OBJECTIVE: To evaluate the reproducibility and validity of a food frequency questionnaire (FFQ) developed to investigate the relationship between dietary factors and diseases in the adult Chinese population in East China. METHODS: A total of 78 males and 129 females aged 30–75 years completed four i...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3491058/ https://www.ncbi.nlm.nih.gov/pubmed/23139777 http://dx.doi.org/10.1371/journal.pone.0048341 |