title: Direct estimation of frequency of cytotoxic T lymphocytes by a modified plaque assay.
mesh_terms: D000818:Animals; D003601:Cytotoxicity Tests, Immunologic; D006649:Histocompatibility Antigens; D007111:Immunity, Cellular; D007958:Leukocyte Count; D051379:Mice; D008807:Mice, Inbred BALB C; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens