Methods: the cerous sulfate reducing reaction was used according to the preventive and curative criteria of iodine deficiency drawn up by WHO and ICCIDD.
方法：采用WHO与ICCID制定的《碘缺乏病防治标准与方法》中的硫酸铈法。
Methods: the cerous sulfate reducing reaction was used according to the preventive and curative criteria of iodine deficiency drawn up by WHO and ICCIDD.
方法：采用WHO与ICCID制定的《碘缺乏病防治标准与方法》中的硫酸铈法。
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