01294oam 2200373 450 991071539660332120210309152803.0(CKB)5470000002510064(OCoLC)1236452730(EXLCZ)99547000000251006420210208d1989 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierMaintenance of teletherapy unitsWashington, D.C. :United States Nuclear Regulatory Commission, Office of Nuclear Material Safety and Safeguards,1989.1 online resourceInformation notice ;no. 89-60"August 18, 1989."Radioisotope teletherapyQuality controlNuclear medicineEquipment and suppliesMaintenance and repairRadioisotope teletherapyQuality control.Nuclear medicineEquipment and suppliesMaintenance and repair.U.S. Nuclear Regulatory Commission.Office of Nuclear Material Safety and Safeguards,GPOGPOOCLCOGPOBOOK9910715396603321Maintenance of teletherapy units3285364UNINA