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- 2019
Development and validation of a food frequency questionnaire (FFQ) for assessing dietary macronutrients and calcium intake in Cambodian school-aged childrenDOI: 10.1186/s12937-019-0437-3 Keywords: Food frequency questionnaire, School-aged children, Cambodia, Validity, Development Abstract: Cumulative contribution and cumulative R2 for calcium intake in the FFQ (top 15 of 56 items
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