title: Hybrid effect in natural cell-mediated cytotoxicity of SV40-transformed fibroblasts by rat spleen cells.
mesh_terms: D000818:Animals; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D002999:Clone Cells; D003601:Cytotoxicity Tests, Immunologic; D005347:Fibroblasts / Q000276:immunology*; D006824:Hybridization, Genetic; D051381:Rats; D013539:Simian virus 40; D013154:Spleen / Q000276:immunology*