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Face coverings now required
The new policy in England is based on evidence that they limit the spread of coronavirus, finds Clare Wilson
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Published by New Scientist Limited.
2020
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7832800/ https://www.ncbi.nlm.nih.gov/pubmed/33518911 http://dx.doi.org/10.1016/S0262-4079(20)31265-3 |