title: Activation of H-ras-1 oncogenes by chemical carcinogens.
mesh_terms: D000818:Animals; D002273:Carcinogens; D002471:Cell Transformation, Neoplastic; D003062:Codon; D004262:DNA Restriction Enzymes; D005260:Female; D008325:Mammary Neoplasms, Experimental / Q000235:genetics; D009154:Mutation; D009857:Oncogenes; D011110:Polymorphism, Genetic; D051381:Rats
chemical_list: D002273:Carcinogens; D003062:Codon; D004262:DNA Restriction Enzymes