title: Ion recombination loss in ionization chambers irradiated by proton beams.
mesh_terms: D000388:Air; D002245:Carbon Dioxide; D009584:Nitrogen; D011522:Protons; D011829:Radiation Dosage; D014867:Water
chemical_list: D011522:Protons; D014867:Water; D002245:Carbon Dioxide; D009584:Nitrogen