Increase of urinary citrovorum factor activity in patients receiving methotrexate (amethopterin).
D005492:Folic Acid / Q000031:analogs & derivatives; D005493:Folic Acid Antagonists / Q000494:pharmacology*; D002955:Leucovorin; D008727:Methotrexate; D014551:Urinary Tract
D005493:Folic Acid Antagonists; D005492:Folic Acid; D002955:Leucovorin; D008727:Methotrexate
FOLIC ACID ANTAGONISTS/effects; FOLIC ACID/related compounds