Conclusions the method of improving water to reduce iodine can effectively prevent and control the prevalence of endemic goiter in iodide goiter area of drinking water type.
结论在饮水型地方性高碘甲状腺肿病区，采用改水降碘的办法能有效地控制高碘甲状腺肿的流行。
To investigate the prevalence of the endemic goiter in Qing Yuan County and evaluate the effect of prevention and control.
目的调查庆元县地方性甲状腺病（简称地甲病）流行情况，评估预防控制效果。
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