[Optimal central nervous system directed therapy in childhood acute lymphoblastic leukemia.].
Li
Vin-cent
VC
Li
Chi-Kong
CK
D002490:Central Nervous System / Q000473:pathology*; D016543:Central Nervous System Neoplasms / Q000188:drug therapy*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000188:drug therapy*
D008727:Methotrexate