Should individuals in the community without respiratory symptoms wear facemasks to reduce the spread of Covid-19? – Update 1

Vestrheim, Didrik Frimann; Iversen, Bjørn Gunnar; Flottorp, Signe Agnes; Denison, Eva Marie-Louise; Oxman, Andrew David
Research report, Review
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https://hdl.handle.net/11250/2722757
Date
2020
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Folkehelseinstituttet