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
Published Print: 2020-04-28
Update policy: https://doi.org/10.17352/crossmark-policy
Sary, Beidas
Version of Record valid from 2013-11-25
Accepted Manuscript valid from 2015-05-25