title: Human fibroblasts transformed by the early region of SV40 DNA: analysis of "free" viral DNA sequences.
mesh_terms: D001483:Base Sequence; D002460:Cell Line; D002472:Cell Transformation, Viral; D004278:DNA, Superhelical / Q000096:biosynthesis*; D004279:DNA, Viral / Q000096:biosynthesis* / Q000235:genetics; D005347:Fibroblasts; D005814:Genes, Viral; D006801:Humans; D008937:Mitomycins / Q000494:pharmacology; D009693:Nucleic Acid Hybridization; D011995:Recombination, Genetic; D013539:Simian virus 40 / Q000235:genetics*
chemical_list: D004278:DNA, Superhelical; D004279:DNA, Viral; D008937:Mitomycins