Comparison of two methods of preventing central nervous system leukemia.
D000293:Adolescent; D002490:Central Nervous System / Q000528:radiation effects; D002493:Central Nervous System Diseases / Q000517:prevention & control*; D002648:Child; D002675:Child, Preschool; D003036:Cobalt Isotopes; D003520:Cyclophosphamide / Q000627:therapeutic use; D006801:Humans; D007278:Injections, Spinal; D007945:Leukemia, Lymphoid / Q000517:prevention & control*; D007958:Leukocyte Count; D015122:Mercaptopurine / Q000627:therapeutic use; D008727:Methotrexate / Q000008:administration & dosage / Q000627:therapeutic use; D011241:Prednisone / Q000627:therapeutic use; D012008:Recurrence; D014750:Vincristine / Q000627:therapeutic use
D003036:Cobalt Isotopes; D014750:Vincristine; D003520:Cyclophosphamide; D015122:Mercaptopurine; D011241:Prednisone; D008727:Methotrexate