Dose reductions of vincristine in children with medulloblastoma treated in the maintenance arm of the prospective multicenter trial HIT'91.

MeSH Terms: Adolescent, Age Factors, Antineoplastic Agents, Phytogenic, Antineoplastic Combined Chemotherapy Protocols, Cerebellar Neoplasms, Child, Child, Preschool, Cisplatin, Combined Modality Therapy, Disease-Free Survival, Dose-Response Relationship, Drug, Female, Humans, Lomustine, Male, Medulloblastoma, Neoadjuvant Therapy, Nervous System Diseases, Prospective Studies, Radiotherapy, Adjuvant, Risk Factors, Vincristine