KB CellsFolate Receptors, GPI-AnchoredMouth NeoplasmsAdenoviruses, HumanCarcinomaCell LineArecolineFolic AcidDrug ResistanceHypoxanthinesBase SequenceZingiberaceaeSatellite VirusesCulture TechniquesMolecular Sequence DataArecaDNA, ViralAdenoviridaeDeoxyribonucleasesReceptors, Cell SurfaceMolecular WeightThymidineTeniposideDendrimersCentrifugation, Density GradientUridineTetrahydrofolatesTumor Cells, Cultured