تصفح Human Nutrition حسب الموضوع "Reproducibility"
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The Relative Validity and Reproducibility of Food Frequency Questionnaires in the China Kadoorie Biobank Study
( MDPI , 2022 , Article)Background: Short versions of qualitative and quantitative food frequency questionnaires (FFQs) are widely used to assess usual food intake. However, fewer studies evaluated their relative validity and reproducibility in ...