title: Problems in the study of oncogens in vitro.
mesh_terms: D000818:Animals; D002471:Cell Transformation, Neoplastic; D006224:Cricetinae; D004261:DNA Replication / Q000187:drug effects; D004267:DNA Viruses / Q000254:growth & development; D006838:Hydrocarbons / Q000494:pharmacology; D066298:In Vitro Techniques; D051379:Mice; D009369:Neoplasms / Q000139:chemically induced / Q000209:etiology* / Q000378:metabolism / Q000473:pathology; D009374:Neoplasms, Experimental; D009381:Neoplasms, Radiation-Induced / Q000473:pathology; D009603:Nitroso Compounds / Q000494:pharmacology; D009858:Oncogenic Viruses / Q000254:growth & development; D011083:Polycyclic Compounds / Q000494:pharmacology; D012328:RNA Viruses / Q000254:growth & development
chemical_list: D006838:Hydrocarbons; D009603:Nitroso Compounds; D011083:Polycyclic Compounds