title: Intermittent intrathecal methotrexate and fractional radiation (M-IMFRA) plus chemotherapy in childhood leukemia.
mesh_terms: D000293:Adolescent; D000970:Antineoplastic Agents / Q000008:administration & dosage*; D002648:Child; D002675:Child, Preschool; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D007223:Infant; D007278:Injections, Spinal; D007945:Leukemia, Lymphoid / Q000628:therapy*; D008297:Male; D008577:Meningeal Neoplasms / Q000517:prevention & control; D008727:Methotrexate / Q000008:administration & dosage*; D012008:Recurrence; D012075:Remission, Spontaneous; D012306:Risk; D013997:Time Factors
chemical_list: D000970:Antineoplastic Agents; D008727:Methotrexate