title: Leakage radiation characteristics of an 18 MeV clinical linear accelerator.
mesh_terms: D004583:Electrons; D006801:Humans; D008722:Methods; D009502:Neutrons; D010315:Particle Accelerators; D011829:Radiation Dosage; D011878:Radiotherapy / Q000295:instrumentation; D012449:Safety; D014965:X-Rays