title: Unstable, non-mutational expression of resistance to the thymidine analogue, trifluorothymidine in CHO cells.
mesh_terms: D000818:Animals; D002460:Cell Line; D002470:Cell Survival; D006224:Cricetinae; D004305:Dose-Response Relationship, Drug; D004351:Drug Resistance; D005020:Ethyl Methanesulfonate / Q000494:pharmacology; D010641:Phenotype; D013936:Thymidine / Q000031:analogs & derivatives*; D014271:Trifluridine / Q000494:pharmacology*
chemical_list: D005020:Ethyl Methanesulfonate; D014271:Trifluridine; D013936:Thymidine