New TB respirator standards mean more choices at less cost.
Pugliese
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Sullivan Kelly & Associates, Pasadena, CA, USA.
Kroc
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D018795:Device Approval / Q000331:legislation & jurisprudence*; D005374:Filtration; D006801:Humans; D010316:Particle Size; D012134:Respiratory Protective Devices / Q000191:economics / Q000592:standards*; D014376:Tuberculosis / Q000517:prevention & control* / Q000635:transmission; D014481:United States; D014489:United States Occupational Safety and Health Administration