PT - JOURNAL ARTICLE AU - Michael Hausman AU - Danil Rybalko AU - Philip Nasser AU - Damien Laudier AU - Daniel Charen AU - Emily Ferreri AU - James Iatridis AU - Leesa Galatz TI - Ingenuity during the COVID-19 pandemic: a controlled experiment for respirator mask efficacy testing AID - 10.1136/bmjinnov-2020-000514 DP - 2021 Apr 01 TA - BMJ Innovations PG - 288--291 VI - 7 IP - 2 4099 - http://innovations.bmj.com/content/7/2/288.short 4100 - http://innovations.bmj.com/content/7/2/288.full SO - BMJ Innov2021 Apr 01; 7