title: Respirator fit testing. Requirements and procedures.
authors.affiliation: Lab Safety Supply, Janesville, Wis., USA.
authors.forename: Mike
authors.initials: M
authors.lastname: Stearns
mesh_terms: D016272:Occupational Health; D012134:Respiratory Protective Devices / Q000592:standards*; D014481:United States; D014489:United States Occupational Safety and Health Administration