Antifolic acids and antipurines in chemotherapy.
D005493:Folic Acid Antagonists / Q000627:therapeutic use*; D006801:Humans; D011687:Purines / Q000037:antagonists & inhibitors*
D005493:Folic Acid Antagonists; D011687:Purines
FOLIC ACID ANTAGONISTS/therapeutic use; PURINES/antagonists