The introduction of a mandatory mask policy was associated with significantly reduced COVID-19 cases in a major metropolitan city

por Scott, Nick, Saul, Allan, Spelman, Tim, Stoove, Mark, Pedrana, Alisa, Saeri, Alexander, Grundy, Emily, Smith, Liam, Toole, Michael, McIntyre, Chandini Raina, Crabb, Brendan S., Hellard, Margaret
Publicado 2021