American Cancer Society. (2014, March 5). Brain and Spinal Cord Tumors in Adults. Retrieved from: http://www.cancer.org/acs/groups/cid/documents/webcontent/003088-pdf.pdf.
Clark V, Moliterno Gunel J, Gunel M. Molecular biology of central nervous system tumors. DeVita VT Jr, Lawrence TS, & Rosenberg SA. (2015). Cancer: Principles and Practice of Oncology. (10th Edition). Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. 96:1403-1411.
National Cancer Institute. (2016, January 27). Adult Central Nervous System Tumors Treatment for Health Professionals (PDQ®). Retrieved from: http://www.cancer.gov/types/brain/hp/adult-brain-treatment-pdq#section/all.×