title: Role of macrophages in in vitro induction of T-helper cells.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D004912:Erythrocytes / Q000276:immunology; D006433:Hemocyanins / Q000276:immunology; D006462:Hemolytic Plaque Technique; D008264:Macrophages / Q000276:immunology*; D051379:Mice; D008807:Mice, Inbred BALB C; D008808:Mice, Inbred CBA; D008974:Mollusca / Q000276:immunology; D009578:Nitrobenzenes / Q000276:immunology; D012756:Sheep / Q000276:immunology; D013045:Species Specificity; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D009578:Nitrobenzenes; D006433:Hemocyanins