title: Extraction and purification of radioprotective substance from calf thymus.
mesh_terms: D000818:Animals; D001853:Bone Marrow / Q000528:radiation effects; D001854:Bone Marrow Cells; D002417:Cattle; D002845:Chromatography; D003036:Cobalt Isotopes; D004586:Electrophoresis; D007953:Leukemia, Radiation-Induced / Q000517:prevention & control; D008099:Liver / Q000032:analysis; D008198:Lymph Nodes / Q000528:radiation effects; D008297:Male; D051379:Mice; D011830:Radiation Effects; D011837:Radiation-Protective Agents / Q000302:isolation & purification*; D013154:Spleen / Q000032:analysis; D013950:Thymus Gland / Q000032:analysis*
chemical_list: D003036:Cobalt Isotopes; D011837:Radiation-Protective Agents