title: Occurrence of free, defective viral DNA in a hamster tumor induced by human papovavirus BK.
mesh_terms: D000818:Animals; D001739:BK Virus / Q000235:genetics / Q000502:physiology*; D001483:Base Sequence; D002460:Cell Line; D002471:Cell Transformation, Neoplastic; D006224:Cricetinae; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000032:analysis*; D005814:Genes, Viral; D006801:Humans; D009693:Nucleic Acid Hybridization; D012516:Osteosarcoma; D011120:Polyomavirus / Q000502:physiology*; D012513:Sarcoma, Experimental
chemical_list: D004279:DNA, Viral; D004262:DNA Restriction Enzymes