title: Natural killer activity: effector cells in purified human T or null cells have different phenotypes defined by monoclonal antibodies.
mesh_terms: D000911:Antibodies, Monoclonal / Q000276:immunology*; D002469:Cell Separation; D003601:Cytotoxicity Tests, Immunologic; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*; D008215:Lymphocytes, Null / Q000276:immunology*; D010641:Phenotype; D012397:Rosette Formation; D013601:T-Lymphocytes / Q000145:classification / Q000276:immunology*
chemical_list: D000911:Antibodies, Monoclonal