A nutrition survey among 160 rural Miao minority preschooler s were conducted,and grouped nutritional intervention were conducted through intake of nutrients(vitamin and minerals)and blank control.

  • 对160名农村苗族学龄前儿童进行了膳食营养状况调查,并分组补充微维营养素进行营养干预试验。
目录 查词历史