title: Comparison of film and ion chamber systems for depth-dose measurements for a 25 MV beam.
mesh_terms: D004307:Dose-Response Relationship, Radiation; D004583:Electrons; D004601:Elementary Particles; D010315:Particle Accelerators / Q000592:standards*; D011829:Radiation Dosage; D011874:Radiometry / Q000295:instrumentation*