title: RNA-directed DNA polymerase systems: not necessarily transforming Rous viruses.
mesh_terms: D001358:Avian Sarcoma Viruses / Q000201:enzymology*; D002471:Cell Transformation, Neoplastic; D004254:DNA Nucleotidyltransferases / Q000378:metabolism*; D008324:Mammary Tumor Virus, Mouse; D009693:Nucleic Acid Hybridization; D012367:RNA, Viral; D014779:Virus Replication
chemical_list: D012367:RNA, Viral; D004254:DNA Nucleotidyltransferases