title: Formation of cytotoxic lymphocytes in mixed leukocyte culture systems: introduction.
mesh_terms: D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D002478:Cells, Cultured; D002860:Chromium Radioisotopes; D003601:Cytotoxicity Tests, Immunologic; D000939:Epitopes; D005347:Fibroblasts / Q000276:immunology; D005796:Genes; D006649:Histocompatibility Antigens; D007117:Immunization, Secondary; D008213:Lymphocyte Activation; D007959:Lymphocyte Culture Test, Mixed; D008214:Lymphocytes / Q000276:immunology*; D008264:Macrophages / Q000276:immunology; D008623:Mercaptoethanol; D051379:Mice; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D002860:Chromium Radioisotopes; D000939:Epitopes; D006649:Histocompatibility Antigens; D008623:Mercaptoethanol