Oncogenes and multistep carcinogenesis.
D000818:Animals; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D004263:DNA Tumor Viruses / Q000235:genetics; D006801:Humans; D051379:Mice; D009369:Neoplasms / Q000235:genetics*; D009857:Oncogenes