title: Comparison of five methods for fit-testing N95 filtering-facepiece respirators.
authors.forename: Larry
authors.initials: L
authors.lastname: Janssen
mesh_terms: D004867:Equipment Design; D004868:Equipment Failure; D005374:Filtration; D006801:Humans; D019570:Inhalation Exposure / Q000517:prevention & control*; D008422:Materials Testing; D016273:Occupational Exposure / Q000517:prevention & control*; D012107:Research Design; D012134:Respiratory Protective Devices / Q000592:standards*