title: High resistance of immunocompetent spleen cells to repeated exposure of  -radiation and its abolition by syngeneic lymphocytes.
mesh_terms: D000818:Animals; D000921:Antibody-Producing Cells / Q000528:radiation effects*; D002478:Cells, Cultured; D003036:Cobalt Isotopes; D005260:Female; D006412:Hematopoietic Stem Cells; D006462:Hemolytic Plaque Technique; D008214:Lymphocytes / Q000276:immunology / Q000528:radiation effects*; D008297:Male; D051379:Mice; D011830:Radiation Effects; D011833:Radiation Injuries, Experimental; D013154:Spleen / Q000166:cytology / Q000528:radiation effects*
chemical_list: D003036:Cobalt Isotopes