title: A measure of nonreparable injury to hematopoietic stem cells in rats exposed repeatedly to x-rays.
mesh_terms: D000818:Animals; D001853:Bone Marrow / Q000528:radiation effects*; D001854:Bone Marrow Cells; D004921:Erythropoietin / Q000627:therapeutic use*; D007501:Iron / Q000378:metabolism; D007503:Iron Isotopes; D008297:Male; D011086:Polycythemia / Q000209:etiology*; D011833:Radiation Injuries, Experimental / Q000188:drug therapy*; D051381:Rats
chemical_list: D007503:Iron Isotopes; D004921:Erythropoietin; D007501:Iron