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目的 基于营养流行病学调查，建立学龄前儿童维生素A 缺乏筛査模型。联合应用膳食问卷评分法和膳食折算公式评估体内维生素A 营养水平，二阶段筛查学龄前儿童维生素A 缺乏和边缘型维生素A 缺乏，为进一步维生素A 健康管理和营养干预提供有效的筛查工具。
重庆市巴南区3所幼儿园学龄前儿童维生素A缺乏筛查模型研究
【摘 要】
：
目的 基于营养流行病学调查，建立学龄前儿童维生素A 缺乏筛査模型。联合应用膳食问卷评分法和膳食折算公式评估体内维生素A 营养水平，二阶段筛查学龄前儿童维生素A 缺乏和边缘型维生素A 缺乏，为进一步维生素A 健康管理和营养干预提供有效的筛查工具。
【机 构】
：
成都大学附属医院 重庆医科大学附属儿童医院
【出 处】
：
第十二次全国营养科学大会
【发表日期】
：
2015年5期
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