title: Killed Listeria monocytogenes vaccine becomes protective on addition of polyanions.
mesh_terms: D000276:Adjuvants, Immunologic; D000818:Animals; D000838:Anions; D001428:Bacterial Vaccines; D003911:Dextrans / Q000031:analogs & derivatives; D008089:Listeria monocytogenes / Q000276:immunology*; D008264:Macrophages / Q000276:immunology; D051379:Mice; D013431:Sulfates; D013498:Suramin
chemical_list: D000276:Adjuvants, Immunologic; D000838:Anions; D001428:Bacterial Vaccines; D003911:Dextrans; D013431:Sulfates; D013498:Suramin