Tuberculosis update. New regulations offer flexibility in respirator choices.
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D017408:Guidelines as Topic; D009784:Occupational Diseases / Q000453:epidemiology / Q000517:prevention & control*; D012134:Respiratory Protective Devices; D018088:Tuberculosis, Multidrug-Resistant / Q000453:epidemiology / Q000517:prevention & control* / Q000635:transmission; D014481:United States / Q000453:epidemiology; D014489:United States Occupational Safety and Health Administration