title: The effect of S-2-(3-aminopropylamino)ethylphosphorothioic acid (WR-2721) on intestinal crypt survival. I. 4 MeV x-rays.
mesh_terms: D000818:Animals; D002470:Cell Survival / Q000187:drug effects / Q000528:radiation effects; D007421:Intestine, Small / Q000166:cytology / Q000187:drug effects / Q000528:radiation effects*; D008297:Male; D051379:Mice; D009946:Organothiophosphorus Compounds / Q000494:pharmacology*; D011830:Radiation Effects; D011837:Radiation-Protective Agents / Q000494:pharmacology*; D014965:X-Rays
chemical_list: D009946:Organothiophosphorus Compounds; D011837:Radiation-Protective Agents