A hemolytic plaque technique for enumeration of cells producing antibody against penicillin.
D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D004342:Drug Hypersensitivity / Q000276:immunology*; D004912:Erythrocytes / Q000276:immunology; D006461:Hemolysis; D008198:Lymph Nodes / Q000276:immunology; D008221:Lymphoid Tissue / Q000276:immunology*; D010400:Penicillin G; D011817:Rabbits; D012756:Sheep; D013154:Spleen / Q000276:immunology; D005719:gamma-Globulins
D005719:gamma-Globulins; D010400:Penicillin G