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Relative validation of a food frequency questionnaire for national health and nutrition monitoring
<p>Abstract</p> <p>Background</p> <p>Validation of a food frequency questionnaire (FFQ) is important as incorrect information may lead to biased associations. Therefore the relative validity of an FFQ developed for use in the German Health Examination Survey for Adults...
Sparad:
| Huvudupphovsmän: | , , , , , |
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| Materialtyp: | Artigo |
| Språk: | Inglês |
| Publicerad: |
BMC
2010-09-01
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| Serie: | Nutrition Journal |
| Länkar: | http://www.nutritionj.com/content/9/1/36 |
| Taggar: |
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