Maintenance therapy in acute childhood leukemia.
D000208:Acute Disease; D002648:Child; D006801:Humans; D007275:Injections, Intravenous; D007938:Leukemia / Q000188:drug therapy*; D007945:Leukemia, Lymphoid / Q000188:drug therapy; D015470:Leukemia, Myeloid, Acute / Q000188:drug therapy; D008727:Methotrexate / Q000008:administration & dosage*
D008727:Methotrexate