01486oam 2200409 a 450 991069939140332120230902162248.0(CKB)5470000002401998(OCoLC)429642598(EXLCZ)99547000000240199820090807d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierBiosafety laboratories[electronic resource] BSL-4 laboratories improved perimeter security despite limited action by CDC : report to congressional requesters[Washington, D.C.] :U.S. Govt. Accountability Office,[2009]1 online resource (ii, 17 pages)Title from PDF title screen (GAO, viewed Aug. 7, 2009)."July 2009.""GAO-09-851."Includes bibliographical references.Biosafety laboratories Microbiological laboratoriesSecurity measuresUnited StatesMedical laboratoriesSecurity measuresUnited StatesLaboratoriesSecurity measuresUnited StatesMicrobiological laboratoriesSecurity measuresMedical laboratoriesSecurity measuresLaboratoriesSecurity measuresDIDDIDGPOBOOK9910699391403321Biosafety laboratories3464733UNINA