Hybrid CellsHybridization, GeneticCell FusionEnkephalin, Leucine-2-AlanineNeuroblastomaKaryotypingChromosomes, Human, 16-18Chromosomes, Human, 6-12 and XCell LineGliomaEnkephalin, LeucineChromosome MappingChromosomesReceptors, OpioidClone CellsGenesCricetinaeNucleic Acid HybridizationL Cells (Cell Line)ChimeraChromosomes, Human, 4-5Chromosome BandingChromosomes, Human, 13-15Chromosomes, Human, 19-20Hypoxanthine PhosphoribosyltransferaseEtorphineFibroblastsBase SequenceHybrid VigorChromosomes, Human, 1-3Lesch-Nyhan SyndromeX ChromosomeMolecular Sequence DataHybridomasSex ChromosomesSpecies SpecificityChromosomes, Human, 21-22 and YCricetulusNeoplasms, ExperimentalParainfluenza Virus 1, HumanChromosomes, Human, Pair 11Blotting, SouthernRadiation Hybrid MappingReceptors, Opioid, deltaCloning, MolecularTumor Cells, CulturedCell Transformation, NeoplasticPhenotypeKineticsChromosomes, HumanBucladesineAntigens, SurfaceCrosses, GeneticGlucose-6-Phosphate IsomeraseTeratomaDNAGenetic LinkageEnkephalin, MethionineDiploidyGenetic MarkersMorphinansAdenylate Cyclase Toxin