title: Animal age: a factor influencing the time of death following local thoracic irradiation.
mesh_terms: D000375:Aging; D000818:Animals; D004307:Dose-Response Relationship, Radiation; D007928:Lethal Dose 50; D051379:Mice; D011833:Radiation Injuries, Experimental / Q000401:mortality*; D011836:Radiation Tolerance; D013909:Thorax / Q000528:radiation effects; D013997:Time Factors