Relative validity of a semiquantitative food frequency questionnaire designed for schoolchildren in western Greece

BACKGROUND: The use of food frequency questionnaires (FFQs) has become increasingly important in epidemiologic studies. During the past few decades, a wide variety of nutritional studies have used the semiquantitative FFQ as a tool for assessing and evaluating dietary intake. One of the main concern...

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Detalles Bibliográficos
Autores principales: Roumelioti, Maria, Leotsinidis, Michalis
Formato: Texto
Lenguaje:English
Publicado: BioMed Central 2009
Materias:
Research
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2649946/
https://www.ncbi.nlm.nih.gov/pubmed/19196469
http://dx.doi.org/10.1186/1475-2891-8-8

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2649946/
https://www.ncbi.nlm.nih.gov/pubmed/19196469
http://dx.doi.org/10.1186/1475-2891-8-8

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