title: Viral DNA in polyoma- and SV40-transformed cell lines.
mesh_terms: D002467:Cell Nucleus / Q000032:analysis; D002499:Centrifugation, Density Gradient; D002999:Clone Cells / Q000032:analysis; D004279:DNA, Viral / Q000032:analysis*; D006824:Hybridization, Genetic; D011120:Polyomavirus; D013539:Simian virus 40; D014170:Transformation, Genetic; D014776:Virus Cultivation
chemical_list: D004279:DNA, Viral