title: Secondary antibody responses in haptenic systems: cell population selection by antigen.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens; D001798:Blood Proteins; D002417:Cattle; D004140:Dinitrophenols; D006241:Haptens; D007114:Immunization; D066298:In Vitro Techniques; D011135:Polysaccharides, Bacterial; D011233:Precipitin Tests; D011817:Rabbits; D013154:Spleen / Q000276:immunology; D013296:Streptococcus pneumoniae / Q000276:immunology; D014316:Tritium
chemical_list: D000941:Antigens; D001798:Blood Proteins; D004140:Dinitrophenols; D006241:Haptens; D011135:Polysaccharides, Bacterial; D014316:Tritium