The use of polyanions to break immunological tolerance.
D000818:Animals; D003520:Cyclophosphamide / Q000494:pharmacology; D003911:Dextrans / Q000494:pharmacology*; D004912:Erythrocytes / Q000276:immunology; D007108:Immune Tolerance / Q000187:drug effects*; D007165:Immunosuppression Therapy; D007166:Immunosuppressive Agents / Q000494:pharmacology; D051379:Mice; D012756:Sheep / Q000276:immunology; D013431:Sulfates / Q000494:pharmacology
D003911:Dextrans; D007166:Immunosuppressive Agents; D013431:Sulfates; D003520:Cyclophosphamide