Cloth Masks May Prevent Transmission of COVID-19. Harada KH, Harada Sassa M. Ann Intern Med 2021;174:579.

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Amedeo Smart

Independent Medical Education

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Harada KH, Harada Sassa M. Cloth Masks May Prevent Transmission of COVID-19. Ann Intern Med 2021;174:579.
PMID: 33872535