COMMENTARY: What can masks do? Part 2: What makes for a good mask study — and why most fail

Filtration Performance of Layering Masks and Face Coverings and the Reusability of Cotton Masks after Repeated Washing and Drying - Aerosol and Air Quality Research

What the U.S. Can Learn From East Asia About Face Masks - The Atlantic

Masks are effective but here's how a study from a respected group was misinterpreted to say they weren't - ABC News

Jesus H. Christ on a popsicle stick

How psychology can explain pushback against mandatory masks

Face masks during the COVID-19 pandemic - Wikipedia

Do Face Masks Work? 10 Things to Know About Skin Type, Ingredients

Cloth Masks Do Not Protect Against Virus as Effectively as Others, C.D.C. Says - The New York Times

Jesus H. Christ on a popsicle stick