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DID YOU KNOW...? Facts and figures on water and sanitation

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【摘要】 <正>Water-related diseases,including diarrhea,are a leading cause of death in children of developing countries.However,they can be prevented and controlled by improving access to safe drinking water and sanitation,

【所属期刊栏目】 动态与信息 (2009年01期)
  • 【分类号】R123.1
  • 【下载频次】13
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