Prevention of central nervous system leukemia by irradiation.
D001921:Brain / Q000528:radiation effects; D002452:Cell Count; D002490:Central Nervous System / Q000528:radiation effects*; D002493:Central Nervous System Diseases / Q000150:complications / Q000517:prevention & control*; D002648:Child; D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D006801:Humans; D007945:Leukemia, Lymphoid / Q000150:complications / Q000188:drug therapy / Q000532:radiotherapy*; D008727:Methotrexate / Q000627:therapeutic use; D011830:Radiation Effects; D011878:Radiotherapy / Q000009:adverse effects; D011879:Radiotherapy Dosage; D012075:Remission, Spontaneous; D013116:Spinal Cord / Q000528:radiation effects
D008727:Methotrexate