title: Small gas-tight ionization chambers for absorbed dose control during radiation therapy.
mesh_terms: D004853:Epoxy Resins; D011137:Polystyrenes; D011312:Pressure; D011879:Radiotherapy Dosage / Q000295:instrumentation*; D013696:Temperature
chemical_list: D004853:Epoxy Resins; D011137:Polystyrenes