title: Workplace performance studies of half-mask respirators.
authors.forename: C
authors.initials: C
authors.lastname: Colton
mesh_terms: D004650:Employee Performance Appraisal / Q000379:methods; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control*; D012134:Respiratory Protective Devices / Q000191:economics / Q000639:trends*