目的探讨碘缺乏区智商与精神运动功能的关系，评估轻度缺碘区亚临床克汀病的发生率。
Objective to research the relationship between intelligence quotient and psychomotor ability and to evaluate the prevalence of sub-clinical cretinism in mild iodine deficiency areas.
结果表明叶河流域存在程度不等的高氟、低碘区，致使地方性氟病和地方性甲状腺肿流行。
The results showed that there were some regions with different degrees of high fluorine and low iodine, so endemic goiter and endemic fluorosis diseases were epidemic.
结论聊城市绝大部分地区属于适碘区；部分地区存在高碘性甲肿流行，是由于居民饮用高碘水和食用加碘盐共同作用的结果。
Conclusions There is a prevailing tendency of high iodine goiter in Liaocheng, due to combination of drinking high iodine water and taking iodized-salt.
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