title: Dependence of RBE on fraction size for negative pi-meson induced renal injury.
mesh_terms: D000818:Animals; D004307:Dose-Response Relationship, Radiation; D004601:Elementary Particles; D007668:Kidney / Q000528:radiation effects*; D051379:Mice; D011829:Radiation Dosage; D011833:Radiation Injuries, Experimental; D012062:Relative Biological Effectiveness; D014965:X-Rays