Modifications to improve safety with teletherapy units.
D003036:Cobalt Isotopes / Q000627:therapeutic use; D006801:Humans; D008722:Methods; D011482:Protective Devices / Q000295:instrumentation; D011832:Radiation Injuries / Q000517:prevention & control*; D011834:Radiation Monitoring; D011835:Radiation Protection; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage; D013679:Technology, Radiologic
D003036:Cobalt Isotopes