title: CNS disease at diagnosis: a continuing challenge in childhood lymphoblastic leukemia.
authors.forename: L E
authors.initials: LE
authors.lastname: Kun
mesh_terms: D016543:Central Nervous System Neoplasms / Q000175:diagnosis* / Q000532:radiotherapy; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007945:Leukemia, Lymphoid / Q000175:diagnosis* / Q000532:radiotherapy