%0 Journal Article %T Development and validation of a food frequency questionnaire (FFQ) for assessing dietary macronutrients and calcium intake in Cambodian school-aged children %A Kanha Sar %A Kaoru Kusama %A Nobuo Yoshiike %A Yoko Horiuchi %J Archive of "Nutrition Journal". %D 2019 %R 10.1186/s12937-019-0437-3 %X Cumulative contribution and cumulative R2 for calcium intake in the FFQ (top 15 of 56 items %K Food frequency questionnaire %K School-aged children %K Cambodia %K Validity %K Development %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6385409/