title: Intercomparison and calibration of high-energy x-rays and electrons.
mesh_terms: D002151:Calorimetry; D004583:Electrons; D009683:Nuclear Medicine; D011874:Radiometry / Q000592:standards*; D011879:Radiotherapy Dosage / Q000592:standards; D011882:Radiotherapy, High-Energy; D013679:Technology, Radiologic / Q000592:standards