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  • [\'MOE Key Laboratory of Deep Earth Science and Engineering, College of Architecture and Environment, Sichuan University, Chengdu, China.\', \'Department of Solid Waste Treatment Technology, Sichuan Environmental Protection Key Laboratory of Pollution Control for Heavy Metals, Sichuan Academy of Environmental Sciences, Chengdu, China.\', \'Key Laboratory of Birth Defects and Related Diseases of Women and Children, West China Second Hospital of Sichuan University, Chengdu, China.\']
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  • -1
?:creator
?:doi
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  • 10.1017/S0950268821000108
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  • Epidemiology and infection
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  • 33441205
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  • 1.128
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  • 95
?:title
  • Why does the spread of COVID-19 vary greatly in different countries? Revealing the efficacy of face masks in epidemic prevention.
?:type
?:year
  • 2021

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