Amethopterin:  a toxic tumour growth inhibitor.
D005493:Folic Acid Antagonists / Q000494:pharmacology*; D006131:Growth Inhibitors; D006801:Humans; D008727:Methotrexate; D009369:Neoplasms / Q000628:therapy*
D005493:Folic Acid Antagonists; D006131:Growth Inhibitors; D008727:Methotrexate
FOLIC ACID ANTAGONISTS/effects; NEOPLASMS/therapy