title: Independent action of thymus and bone marrow cells during the secondary response of direct plaque-forming cells.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D001853:Bone Marrow / Q000276:immunology* / Q000528:radiation effects; D001854:Bone Marrow Cells; D004912:Erythrocytes / Q000276:immunology; D006462:Hemolytic Plaque Technique; D007117:Immunization, Secondary; D051379:Mice; D009030:Mosaicism; D011830:Radiation Effects; D012756:Sheep; D013950:Thymus Gland / Q000166:cytology / Q000276:immunology* / Q000528:radiation effects