title: Problems in the evaluation of long-term results.
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D004341:Drug Evaluation / Q000379:methods*; D006801:Humans; D007938:Leukemia / Q000188:drug therapy; D007958:Leukocyte Count; D008581:Meningitis / Q000188:drug therapy; D009364:Neoplasm Recurrence, Local; D011379:Prognosis; D012075:Remission, Spontaneous; D013997:Time Factors
chemical_list: D000970:Antineoplastic Agents