(Q90693492)

English

Reduction in COVID-19 Infection Using Surgical Facial Masks Outside the Healthcare System

clinical trial

  • DANMASK-19

Statements

DANMASK-19 (English)
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Reduction in COVID-19 Infection Using Surgical Facial Masks Outside the Healthcare System (English)
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2 April 2020
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1 July 2020
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6,000
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18 year
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Identifiers

 
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