Objective: to evaluate iodine nutrition status of children in IDD areas and its influencing factors and to explore the application of multilevel statistic model in the endemic surveillance.
目的：评价碘缺乏病区儿童碘营养状况及影响因素，探讨多水平统计模型在地方性疾病监测中的应用。
Objective: to evaluate iodine nutrition status of children in IDD areas and its influencing factors and to explore the application of multilevel statistic model in the endemic surveillance.
目的：评价碘缺乏病区儿童碘营养状况及影响因素，探讨多水平统计模型在地方性疾病监测中的应用。
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