title: The effects of a blockading agent on the primary immune response.
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000187:drug effects*; D000941:Antigens; D002244:Carbon; D004926:Escherichia coli; D006462:Hemolytic Plaque Technique; D008214:Lymphocytes / Q000187:drug effects / Q000276:immunology; D051379:Mice; D012157:Mononuclear Phagocyte System / Q000187:drug effects / Q000276:immunology; D010587:Phagocytosis / Q000187:drug effects; D011830:Radiation Effects; D013460:Sulfur Isotopes; D013911:Thorium Dioxide / Q000494:pharmacology*
chemical_list: D000941:Antigens; D013460:Sulfur Isotopes; D002244:Carbon; D013911:Thorium Dioxide