Cytotoxicity Tests, ImmunologicToxicity Tests, AcuteCell SurvivalMaterials TestingLymphocytesCell LineCytotoxicity, ImmunologicAntibody-Dependent Cell CytotoxicitySensitivity and SpecificityDiagnostic ErrorsDiagnostic Tests, RoutineKiller Cells, NaturalDiagnostic Techniques and ProceduresCell Line, TumorDiagnostic ImagingAntineoplastic AgentsDrug Screening Assays, AntitumorCytotoxinsTumor Cells, CulturedReagent Kits, DiagnosticApoptosisReproducibility of ResultsDrug SynergismCell DeathNatural Cytotoxicity Triggering Receptor 1Cells, CulturedDose-Response Relationship, DrugInhibitory Concentration 50Molecular Diagnostic TechniquesPredictive Value of TestsAntibodies, MonoclonalTime FactorsROC CurveDiagnostic and Statistical Manual of Mental DisordersDiagnostic ServicesPerforinFlow Cytometry