title: Leucoencephalopathy in patients on methotrexate.
mesh_terms: D000293:Adolescent; D001927:Brain Diseases / Q000139:chemically induced*; D001932:Brain Neoplasms / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007276:Injections, Intraventricular; D007278:Injections, Spinal; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage / Q000009:adverse effects*
chemical_list: D008727:Methotrexate