Trimethoprim interference in methotrexate assays.
D001322:Autoanalysis; D006801:Humans; D007780:Lacticaseibacillus casei / Q000201:enzymology; D008727:Methotrexate / Q000097:blood*; D013762:Tetrahydrofolate Dehydrogenase; D014295:Trimethoprim / Q000097:blood*
D014295:Trimethoprim; D013762:Tetrahydrofolate Dehydrogenase; D008727:Methotrexate