Hybrid CellsPolymersHybridization, GeneticCell FusionEnkephalin, Leucine-2-AlanineNeuroblastomaKaryotypingChromosomes, Human, 16-18Cell LineChromosomes, Human, 6-12 and XGliomaEnkephalin, LeucineChromosome MappingChromosomesReceptors, OpioidClone CellsCricetinaeGenesNucleic Acid HybridizationL Cells (Cell Line)ChimeraChromosomes, Human, 4-5Molecular Sequence DataChromosome BandingBase SequenceFibroblastsChromosomes, Human, 13-15Chromosomes, Human, 19-20Hypoxanthine PhosphoribosyltransferaseEtorphineKineticsBiocompatible MaterialsBiopolymersHybrid VigorChromosomes, Human, 1-3Lesch-Nyhan SyndromeX ChromosomeHybridomasMolecular ImprintingDNASex ChromosomesSpecies SpecificityAbsorbable ImplantsNeoplasms, ExperimentalCricetulusChromosomes, Human, 21-22 and YPolyethylene GlycolsParainfluenza Virus 1, HumanPolyestersDrug CarriersPolyvinylsCloning, MolecularMaterials TestingBlotting, SouthernChromosomes, Human, Pair 11Acrylic ResinsSurface PropertiesTumor Cells, CulturedRadiation Hybrid MappingPhenotypeReceptors, Opioid, deltaCell Transformation, NeoplasticAmino Acid SequenceChromosomes, HumanBucladesinePolymerizationAntigens, SurfaceCrosses, GeneticGlucose-6-Phosphate IsomeraseTeratomaMethylcellulosePolyglycolic AcidGenetic LinkageMolecular WeightElectrophoresisAcrylamidesEnkephalin, MethionineDelayed-Action PreparationsDiploidyGenetic MarkersNanoparticlesCells, CulturedMorphinansMethacrylatesAdenylate Cyclase ToxinParticle SizeRNA, Messenger