1. et al. SEER cancer statistics review, 1973-1999. Bethesda: National Cancer Institute. Available from URL: http://seer.cancer.gov/csr/1973_1999/ [Accessed 4 Dec 2002].
2. CNS and miscellaneous intracranial and intraspinal neoplasms. In: et al. Cancer incidence and survival among children and adolescents: United States SEER program 1975-1995 (NIH Publication No. 99-4649). Bethesda: National Cancer Institute, 1999: 51-63.
3. et al. Tumors of the central nervous system. In: Principles and practice of pediatric oncology. Philadelphia: Lippincott Williams & Wilkins, 2002: 751-824.
4. Medical and neurocognitive late effects among survivors of childhood central nervous system tumors
5. et al. Complete and limited duration cancer prevalence estimates. In: et al. SEER cancer statistics review, 1973-1999. Bethesda: National Cancer Institute, 2002. Available from URL: http://seer.cancer.gov/csr/1973_1999/ [Accessed 4 Dec 2002].