Gene amplification, drug resistance, and cancer.
D000818:Animals; D000970:Antineoplastic Agents / Q000627:therapeutic use; D002470:Cell Survival / Q000187:drug effects; D004351:Drug Resistance; D005784:Gene Amplification; D006801:Humans; D008727:Methotrexate / Q000633:toxicity; D051379:Mice; D009369:Neoplasms / Q000188:drug therapy / Q000235:genetics*; D009374:Neoplasms, Experimental / Q000235:genetics; D009857:Oncogenes; D013762:Tetrahydrofolate Dehydrogenase / Q000235:genetics
D000970:Antineoplastic Agents; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate