title: [Prophylactic CNS therapy in childhood leukemia--randomized controlled study of high-dose intravenous methotrexate and cranial irradiation].
mesh_terms: D000293:Adolescent; D002493:Central Nervous System Diseases / Q000628:therapy*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007275:Injections, Intravenous; D007945:Leukemia, Lymphoid / Q000532:radiotherapy / Q000628:therapy*; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage*
chemical_list: D008727:Methotrexate