title: Dose distribution and stability of radiotherapy electron beams from a linear accelerator.
mesh_terms: D004583:Electrons; D008962:Models, Theoretical; D011137:Polystyrenes; D011874:Radiometry; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D014867:Water
chemical_list: D011137:Polystyrenes; D014867:Water