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To evaluate the utility of treatment strategies in neuroblastoma (NB), the survival of the NB patients was retrospectively examined.During the past 40 years from 1967 to 2006, 103 NB patients not detected by the mass screening program were treated. The patients were divided into 3 groups; the period of aggressive surgery (AS group: 43 patients) from 1967 to 1984, the period of aggressive chemotherapy...
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