title: [Analytical study on leukoencephalopathy complicated during the course of acute lymphoblastic leukemia in children (author's transl)].
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007278:Injections, Spinal; D007945:Leukemia, Lymphoid / Q000150:complications* / Q000188:drug therapy; D007968:Leukoencephalopathy, Progressive Multifocal / Q000209:etiology* / Q000473:pathology; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D008727:Methotrexate