Impact of the timing and adherence to face mask use on the course of the COVID-19 epidemic in France Published on 2021-02-232023-06-20 Journal: Journal of Travel Medicine [키워드] COVID deaths hospitalizations. Masks [저자] Nicolas Hoertel, Martin Blachier, Marina Sánchez-Rico, Frédéric Limosin, Henri Leleu [Category] Fulltext, MERS, PMC URL Pubmed URL [DOI] 10.1093/jtm/taab016 [Source] pubmed All Keywords 【저자키워드】 Masks, COVID, deaths, hospitalizations.,