方法采用文献检索、聚类分析、德尔菲专家咨询等研究方法，遴选中等发达卫生水平指标项目。
Methods Such research methods as information retrieval, cluster analysis, and Delphi expert consultation were used to select index items of medium developed health level.
方法采用文献检索、聚类分析、德尔菲专家咨询等研究方法，遴选中等发达卫生水平指标项目。
Methods Such research methods as information retrieval, cluster analysis, and Delphi expert consultation were used to select index items of medium developed health level.
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