Methods Information on the annual report of toilets improvement and schistosomiasis prevention during the year of 2005-2007 were collected and analyzed.
方法收集调查2005- 2007年血防区改厕年报资料和血吸虫病防治工作年报资料进行分析。
Methods Information on the annual report of toilets improvement and schistosomiasis prevention during the year of 2005-2007 were collected and analyzed.
方法收集调查2005- 2007年血防区改厕年报资料和血吸虫病防治工作年报资料进行分析。
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