Rules to live by. Official guidelines on preventing the spread of TB. U.S. Department of Labor/OSHA.
Kelley
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D004634:Emergency Medical Technicians / Q000592:standards*; D006801:Humans; D017053:Infection Control / Q000592:standards*; D016273:Occupational Exposure / Q000517:prevention & control*; D011050:Policy Making; D012134:Respiratory Protective Devices; D012307:Risk Factors; D014376:Tuberculosis / Q000517:prevention & control*; D014481:United States