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. 2020 Apr 9:369:m1435.
doi: 10.1136/bmj.m1435.

Face masks for the public during the covid-19 crisis

Trisha Greenhalgh  1 , Manuel B Schmid  2   3 , Thomas Czypionka  4   5 , Dirk Bassler  2   3 , Laurence Gruer  6   7
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Free article

Face masks for the public during the covid-19 crisis

Trisha Greenhalgh et al. BMJ. .
Free article
No abstract available

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Conflict of interest statement

Contributors and sources: The article was conceived on a professional discussion network. MBS wrote the first draft. TG added conceptual insights and coordinated shaping of the paper for BMJ. All authors contributed to the development of ideas and writing of the paper, and approved the final manuscript. TG and MBS are joint first authors and guarantors. Competing interests: We have read and understood BMJ policy on declaration of interests and have no relevant interests to declare. Provenance and peer review: Commissioned; not externally peer reviewed.

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