title: Low dose unresponsiveness with a thymus independent antigen.
mesh_terms: D000818:Animals; D000907:Antibodies, Bacterial; D000917:Antibody Formation; D001402:B-Lymphocytes / Q000276:immunology*; D004305:Dose-Response Relationship, Drug; D007112:Immunity, Maternally-Acquired; D007116:Immunization, Passive; D007156:Immunologic Memory; D008070:Lipopolysaccharides / Q000276:immunology*; D051379:Mice; D008815:Mice, Inbred Strains; D008819:Mice, Nude; D009578:Nitrobenzenes; D011135:Polysaccharides, Bacterial / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D008070:Lipopolysaccharides; D009578:Nitrobenzenes; D011135:Polysaccharides, Bacterial