title: [Activation of ras oncogenes in malignant urologic tumors].
mesh_terms: D000818:Animals; D002471:Cell Transformation, Neoplastic; D004273:DNA, Neoplasm / Q000235:genetics; D006801:Humans; D009857:Oncogenes; D014571:Urologic Neoplasms / Q000235:genetics*
chemical_list: D004273:DNA, Neoplasm