title: Radioenzymatic assay for dihydrofolate reductase using [3H]dihydrofolate.
mesh_terms: D001667:Binding, Competitive; D005492:Folic Acid / Q000031:analogs & derivatives* / Q000032:analysis; D007700:Kinetics; D011624:Pteroylpolyglutamic Acids / Q000378:metabolism; D011865:Radioisotope Dilution Technique; D013762:Tetrahydrofolate Dehydrogenase / Q000378:metabolism*; D014316:Tritium
chemical_list: D011624:Pteroylpolyglutamic Acids; D014316:Tritium; C010920:dihydrofolate; D005492:Folic Acid; D013762:Tetrahydrofolate Dehydrogenase