Airborne transmission of COVID-19 and mitigation using box fan air cleaners in a poorly ventilated classroom.
Phys Fluids (1994). 2021 May;33(5):057107. doi: 10.1063/5.0050058. Epub 2021 May 11.
Phys Fluids (1994). 2021.
PMID: 34040337
Free PMC article.