title: Biological factors affecting the radioprotective efficiency of S-2-[3-aminopropylamino]ethylphosphorothioic acid (WR-2721): LD 50(7)  doses.
mesh_terms: D000818:Animals; D004064:Digestive System / Q000528:radiation effects*; D005260:Female; D006413:Hematopoietic System / Q000187:drug effects; D007178:Inbreeding; D007928:Lethal Dose 50; D051379:Mice; D009946:Organothiophosphorus Compounds / Q000633:toxicity; D010756:Phosphoric Acids / Q000633:toxicity*; D011833:Radiation Injuries, Experimental / Q000188:drug therapy*; D011837:Radiation-Protective Agents / Q000633:toxicity*
chemical_list: D009946:Organothiophosphorus Compounds; D010756:Phosphoric Acids; D011837:Radiation-Protective Agents