Appropriate usage of face masks to prevent SARS-CoV-2: sharpening the messaging amid the COVID-19 pandemic

Karina Escandón, Graham P. Martin, Krutika Kuppalli, Kevin Escandón
2020 Disaster Medicine and Public Health Preparedness  
doi:10.1017/dmp.2020.336 pmid:32907666 fatcat:d4d52r46zzgy5hunqbdukefmby