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CITE Title : 1 克粪便(相当于一个蚕豆的重量!) 里可能有一万亿个细菌 Corporate Authors(s) : Centers for Disease Control and Prevention (U.S.) Published Date : 11/20/15 URL : https://stacks.cdc.gov/view/cdc/61296
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Centers for Disease Control and Prevention (U.S.)
11/20/15
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1,000,000,000,000 germs can live in one gram of poop (That’s the weight of a paper clip!) [Chinese]8.5x11CS243017Publication date from document prop...
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Wash your hands!
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CITE Title : Wash your hands! Corporate Authors(s) : National Center for Emerging and Zoonotic Infectious Diseases (U.S.) Published Date : 9/27/16 URL : https://stacks.cdc.gov/view/cdc/42239
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Poster designed for young children (11 x 17).Wash Your Hands!CS267057-Awash-your-hands-steps-11x17.pdf
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