title: Letter: Encephalopathy following CNS prophylaxis in childhood lymphoblastic leukemia.
mesh_terms: D001927:Brain Diseases / Q000139:chemically induced* / Q000188:drug therapy; D002490:Central Nervous System / Q000187:drug effects*; D002648:Child; D005492:Folic Acid / Q000627:therapeutic use; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use; D007945:Leukemia, Lymphoid / Q000188:drug therapy*; D008727:Methotrexate / Q000627:therapeutic use / Q000633:toxicity*
chemical_list: D005492:Folic Acid; D002955:Leucovorin; D008727:Methotrexate