title: Antagonistic effects of bacterial endotoxin and phytohaemagglutinin upon the primary immune response.
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000187:drug effects*; D000941:Antigens; D004336:Drug Antagonism; D004731:Endotoxins / Q000494:pharmacology*; D004926:Escherichia coli / Q000276:immunology; D006386:Hemagglutination Tests; D007074:Immunoglobulin G; D037102:Lectins / Q000494:pharmacology* / Q000633:toxicity; D008297:Male; D051379:Mice
chemical_list: D000941:Antigens; D004731:Endotoxins; D007074:Immunoglobulin G; D037102:Lectins