title: Immunogenicity and antigenicity of natural and synthetic Escherichia coli lipid A.
mesh_terms: D000818:Animals; D000936:Antigen-Antibody Complex; D000939:Epitopes; D004926:Escherichia coli; D006461:Hemolysis; D007106:Immune Sera; D008050:Lipid A / Q000138:chemical synthesis / Q000276:immunology*; D012475:Salmonella; D012756:Sheep; D013045:Species Specificity
chemical_list: D000936:Antigen-Antibody Complex; D000939:Epitopes; D007106:Immune Sera; D008050:Lipid A