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为掌握我县碘缺乏病（ＩＤＤ）防治现状，正确指导后期防治工作，按照卫生部制定的《碘缺乏病防治监测方案》的要求，我们于１９９７年在全县进行了调查。现将结果报告如下。资料来源（１）采用分层整群抽样方法在全县抽取８个乡镇，每个乡镇随机抽取１所小学，每所小学抽...
In order to grasp the current situation of Iodine Deficiency Disorders (IDD) prevention and control in our county and correctly guide the prevention and control work in the later stage, we conducted a survey in 1997 in the county in accordance with the requirements of the “Iodine Deficiency Disease Prevention and Control Surveillance Program” formulated by the Ministry of Health. The results reported below. Source: (1) Hierarchical cluster sampling method was used to extract 8 townships in the county, each township randomly selected a primary school, each primary school pumping ...