Dr. Hallberg answers frequently asked questions about masks

Press/Media: Expert Comment

Period	Jul 7 2020

Media coverage

Title	Dr. Hallberg answers frequently asked questions about masks
Degree of recognition	Regional
Media name/outlet	MPR News
Media type	Radio
Country/Territory	United States
Date	7/7/20
URL	https://www.mprnews.org/story/2020/07/07/dr-hallberg-answers-frequently-asked-questions-about-masks
Persons	Jon Hallberg