title: Specific heterologous enhancement of immune responses. 3. Partial characterization of supernatant material with enhancing activity.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D002478:Cells, Cultured / Q000378:metabolism; D004912:Erythrocytes / Q000276:immunology; D006386:Hemagglutination Tests; D006462:Hemolytic Plaque Technique; D051379:Mice; D010047:Ovalbumin; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000166:cytology / Q000276:immunology*; D013696:Temperature; D013745:Tetanus Toxoid
chemical_list: D000941:Antigens; D013745:Tetanus Toxoid; D010047:Ovalbumin