title: Immunogenicity of soluble and aggregated common enterobacterial antigen.
mesh_terms: D000917:Antibody Formation; D000941:Antigens / Q000032:analysis; D004912:Erythrocytes / Q000276:immunology; D004926:Escherichia coli / Q000276:immunology*; D000431:Ethanol; D005374:Filtration; D005615:Freezing; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D007108:Immune Tolerance; D012486:Salmonella typhimurium / Q000276:immunology*; D012995:Solubility; D014461:Ultracentrifugation
chemical_list: D000941:Antigens; D000431:Ethanol