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Comment
. 2021 May:133:158-160.
doi: 10.1016/j.jclinepi.2021.01.021. Epub 2021 Feb 2.

Double-zero-event studies matter: A re-evaluation of physical distancing, face masks, and eye protection for preventing person-to-person transmission of COVID-19 and its policy impact

Affiliations
Comment

Double-zero-event studies matter: A re-evaluation of physical distancing, face masks, and eye protection for preventing person-to-person transmission of COVID-19 and its policy impact

Mengli Xiao et al. J Clin Epidemiol. 2021 May.
No abstract available

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Conflict of interest statement

Declaration of Competing Interest None.

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References

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