title: Molecular characterization of oncogenes in guinea pig lines chemically initiated in vitro: acquisition of tumorigenicity is associated with activated ras related oncogenes.
mesh_terms: D000818:Animals; D002471:Cell Transformation, Neoplastic; D002478:Cells, Cultured; D006168:Guinea Pigs; D009857:Oncogenes; D011519:Proto-Oncogenes; D014162:Transfection