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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...

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Main Authors: Haftenberger Marjolein, Heuer Thorsten, Heidemann Christin, Kube Friederike, Krems Carolin, Mensink Gert BM
Formato: Artigo
Idioma:Inglês
Publicado em: BMC 2010-09-01
Colecção:Nutrition Journal
Acesso em linha:http://www.nutritionj.com/content/9/1/36
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