Cloth Masks May Prevent Transmission of COVID-19: An Evidence-Based, Risk-Based Approach. Clase CM, Fu EL, Joseph M, Beale RCL, et al. Ann Intern Med 2020 May 22. doi: 10.7326/M20-2567.

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Amedeo Smart

Independent Medical Education

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Clase CM, Fu EL, Joseph M, Beale RCL, et al. Cloth Masks May Prevent Transmission of COVID-19: An Evidence-Based, Risk-Based Approach. Ann Intern Med 2020 May 22. doi: 10.7326/M20-2567.
PMID: 32441991