title: The mechanism of antigenic competition. I. The macrophage as a site of a reversible block of T-B lymphocyte collaboration.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000961:Antilymphocyte Serum; D001202:Ascitic Fluid / Q000166:cytology; D001402:B-Lymphocytes / Q000276:immunology*; D002478:Cells, Cultured; D002645:Chickens / Q000276:immunology; D003165:Complement System Proteins; D004140:Dinitrophenols; D005407:Flagella; D006433:Hemocyanins; D007106:Immune Sera; D007114:Immunization; D008264:Macrophages / Q000276:immunology*; D051379:Mice; D008808:Mice, Inbred CBA; D013154:Spleen / Q000166:cytology; D013601:T-Lymphocytes / Q000276:immunology*; D014357:Trypsin; D005719:gamma-Globulins
chemical_list: D000961:Antilymphocyte Serum; D004140:Dinitrophenols; D007106:Immune Sera; D005719:gamma-Globulins; D003165:Complement System Proteins; D006433:Hemocyanins; D014357:Trypsin