title: B lymphocyte subpopulations separated by velocity sedimentation. I. Characterization of immune function in an in vitro splenic focus assay.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D000888:Antibodies, Anti-Idiotypic; D001402:B-Lymphocytes / Q000276:immunology*; D002453:Cell Cycle; D002469:Cell Separation; D005260:Female; D007143:Immunoglobulin Heavy Chains; D007158:Immunologic Techniques; D051379:Mice; D008808:Mice, Inbred CBA; D009578:Nitrobenzenes / Q000276:immunology; D013047:Specific Pathogen-Free Organisms; D013154:Spleen / Q000276:immunology*; D013997:Time Factors
chemical_list: D000888:Antibodies, Anti-Idiotypic; D007143:Immunoglobulin Heavy Chains; D009578:Nitrobenzenes