01455nam 2200409Ka 450 991069767270332120081007103430.0(CKB)5470000002390233(OCoLC)261123542(EXLCZ)99547000000239023320081007d1999 ua 0engtxtrdacontentcrdamediacrrdacarrierMarijuana & alcohol combined increase impairment[electronic resource]Washington, DC :U.S. Department of Transportation, National Highway Traffic Safety Administration,[1999]1 volume digital, HTML fileTraffic safety facts. Traffic Tech - technology transfer series ;no. 201Title from title screen (viewed Oct. 6, 2008)."June 1999."Marijuana and alcohol combined increase impairmentDrugged drivingDrunk drivingMarijuanaPhysiological effectAlcoholPhysiological effectDrugged driving.Drunk driving.MarijuanaPhysiological effect.AlcoholPhysiological effect.United States.National Highway Traffic Safety Administration.GPOGPOBOOK9910697672703321Marijuana & alcohol combined increase impairment3215061UNINA