Brain and spinal cord tumors in adults. American Cancer Society. http://www.cancer.org/acs/groups/cid/documents/webcontent/003088-pdf.pdf. Updated January 21, 2016. Accessed July 2016.
National Institutes of Health. National Cancer Institute. Adult central nervous system tumors treatment. https://www.cancer.gov/types/brain/hp/adult-brain-treatment-pdq. Updated January 27, 2016. Accessed July 2016.
Niederhuber J, Armitage J, Doroshow J, et al. 2014. Cancer of the central nervous system. Abeloff's clinical oncology [5th ed.], chapter 66, 725-738.e4. Philadelphia: Elsevier Saunders.