PDF(735 KB)
Validity of food frequency questionnaire in the investigation of dietary energy and nutrient intakes among infants at 8 months of age
BAI Wenxing, LI Peng, ZHANG Yan, FENG Yao, ZHOU Hong
Chinese Journal of Reproductive Health ›› 2015, Vol. 26 ›› Issue (5) : 397-400.
PDF(735 KB)
PDF(735 KB)
Validity of food frequency questionnaire in the investigation of dietary energy and nutrient intakes among infants at 8 months of age
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