title: [Possibilities of RNA tumor virus participation in human neoplasms].
mesh_terms: D000818:Animals; D001943:Breast Neoplasms / Q000201:enzymology*; D004247:DNA / Q000096:biosynthesis; D004259:DNA-Directed DNA Polymerase / Q000097:blood*; D006801:Humans; D007938:Leukemia / Q000201:enzymology*; D051379:Mice; D009858:Oncogenic Viruses / Q000201:enzymology*; D012328:RNA Viruses / Q000201:enzymology*; D051381:Rats
chemical_list: D004247:DNA; D004259:DNA-Directed DNA Polymerase