title: Abortive transformation by polyoma virus.
mesh_terms: D000818:Animals; D002455:Cell Division; D002499:Centrifugation, Density Gradient; D002999:Clone Cells; D006224:Cricetinae; D046508:Culture Techniques; D004279:DNA, Viral / Q000096:biosynthesis; D051379:Mice; D010641:Phenotype; D011120:Polyomavirus; D014170:Transformation, Genetic; D014776:Virus Cultivation
chemical_list: D004279:DNA, Viral