title: Radiation LD 50 (30) of Richardson ground squirrels.
mesh_terms: D000818:Animals; D003036:Cobalt Isotopes; D007928:Lethal Dose 50; D011830:Radiation Effects; D011833:Radiation Injuries, Experimental / Q000401:mortality*; D012589:Sciuridae; D013045:Species Specificity; D013997:Time Factors
chemical_list: D003036:Cobalt Isotopes