title: Dihydrofolic reductase in human blood cells. I. Techniques for the study of enzyme activity and intracellular amethopterin content.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002645:Chickens; D005493:Folic Acid Antagonists; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008099:Liver / Q000201:enzymology*; D008727:Methotrexate / Q000032:analysis* / Q000494:pharmacology; D009249:NADP; D013053:Spectrophotometry; D013762:Tetrahydrofolate Dehydrogenase / Q000032:analysis* / Q000097:blood
chemical_list: D005493:Folic Acid Antagonists; D009249:NADP; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate