title: The early response of immunocompetent cells as analyzed by velocity sedimentation separation.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000942:Antigens, Bacterial; D002469:Cell Separation; D002478:Cells, Cultured; D004912:Erythrocytes / Q000276:immunology; D006462:Hemolytic Plaque Technique; D007116:Immunization, Passive; D051379:Mice; D008808:Mice, Inbred CBA; D011828:Radiation Chimera; D012475:Salmonella / Q000276:immunology; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000166:cytology
chemical_list: D000942:Antigens, Bacterial