01326nam 2200385Ka 450 991070285920332120090904081620.0(CKB)3680000000171358(OCoLC)427652550(EXLCZ)99368000000017135820090724d2009 ua 0engtxtrdacontentcrdamediacrrdacarrierRespiratory infection control[electronic resource] respirators versus surgical masks[Washington, D.C.] :[U.S. Dept. of Labor, Occupational Safety and Health Administration],[2009?]2 unnumbered pages digital, PDF fileOSHA factsheetTitle from title screen (viewed on July 24, 2009)."DSG 5/2009."Respiratory Infection ControlMedical personnelClothingBreathing apparatusRespiratory infectionsPreventionMedical personnelClothing.Breathing apparatus.Respiratory infectionsPrevention.United States.Occupational Safety and Health Administration.GPOGPOBOOK9910702859203321Respiratory infection control3451129UNINA