title: Characterization of the methotrexate transport defect in a resistant L 1210 lymphoma cell line.
mesh_terms: D000818:Animals; D001386:Azides / Q000494:pharmacology; D001692:Biological Transport / Q000187:drug effects; D004351:Drug Resistance; D007700:Kinetics; D002955:Leucovorin / Q000494:pharmacology; D007939:Leukemia L1210 / Q000378:metabolism*; D008727:Methotrexate / Q000378:metabolism*; D051379:Mice; D009154:Mutation; D013762:Tetrahydrofolate Dehydrogenase / Q000378:metabolism
chemical_list: D001386:Azides; D013762:Tetrahydrofolate Dehydrogenase; D002955:Leucovorin; D008727:Methotrexate