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。
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