title: Comparison of folate reductases of sarcoma 180 cells, sensitive and resistant to amethopterin.
mesh_terms: D000818:Animals; D002850:Chromatography, Gel; D046508:Culture Techniques; D003911:Dextrans; D004586:Electrophoresis; D008727:Methotrexate / Q000627:therapeutic use*; D008970:Molecular Weight; D010088:Oxidoreductases / Q000378:metabolism*; D012510:Sarcoma 180 / Q000188:drug therapy / Q000378:metabolism*; D013762:Tetrahydrofolate Dehydrogenase / Q000378:metabolism*
chemical_list: D003911:Dextrans; D010088:Oxidoreductases; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate