Why we should universally cover our mouth and nose in public while battling COVID-19?
Crossref DOI link: https://doi.org/10.17352/2455-5479.000077
Published Online: 2020-04-28
Update policy: https://doi.org/10.17352/crossmark-policy
Beidas, Sary
License valid from 2020-04-28
Version of Record valid from 2013-11-25
Accepted Manuscript valid from 2015-05-25
