title: Free-nucleon target model applied to penetration and dose calculations for 200 and 400 McV protons and neutrons.
mesh_terms: D000042:Absorption; D004735:Energy Transfer; D006801:Humans; D008433:Mathematics; D008962:Models, Theoretical; D009502:Neutrons; D009678:Nuclear Energy; D009688:Nuclear Reactors; D011522:Protons; D011835:Radiation Protection; D011853:Radiobiology; D011874:Radiometry; D013026:Space Flight
chemical_list: D011522:Protons