title: Face masks are flawed.
authors.affiliation: University of Illinois College of Dentistry, Chicago.
authors.forename: E J
authors.initials: EJ
authors.lastname: Neiburger
authors.forename: R P
authors.initials: RP
authors.lastname: Perry
mesh_terms: D003140:Communicable Disease Control / Q000379:methods*; D004868:Equipment Failure; D005374:Filtration; D006801:Humans; D008397:Masks / Q000592:standards*; D010316:Particle Size; D014780:Viruses