Objective: to observe the effect of excess iodine caused by supplying iodine during different gestation period on the neuron apoptosis and gene expression of filial rats.

目的：观察不同孕期补碘所引起的高碘对子鼠脑凋亡及调节基因表达的影响情况。

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So it must stop supplying iodized salt in high-iodine areas.

在高碘地区应尽快停供碘盐。

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