title: Residual cellular DNA as a potential transforming factor.
mesh_terms: D000818:Animals; D002460:Cell Line; D004247:DNA / Q000235:genetics*; D005818:Genetic Engineering / Q000379:methods*; D006801:Humans; D014170:Transformation, Genetic; D014765:Viral Vaccines / Q000592:standards*
chemical_list: D014765:Viral Vaccines; D004247:DNA