Treatment of leucemia in childhood.
D005493:Folic Acid Antagonists / Q000627:therapeutic use*; D006801:Humans; D007938:Leukemia; D007945:Leukemia, Lymphoid / Q000628:therapy*
D005493:Folic Acid Antagonists
FOLIC ACID ANTAGONISTS/therapeutic use; LEUKEMIA, LYMPHATIC/therapy