Dorsey JF, Salinas RD, Dang M, et al. Chapter 63: Cancer of the central nervous system. In: Niederhuber JE, Armitage JO, Doroshow JH, Kastan MB, Tepper JE, eds. Abeloff’s Clinical Oncology. 6th ed. Philadelphia, Pa: Elsevier; 2020.
Michaud D, Batchelor T. Risk factors for brain tumors. UpToDate. 2020. Accessed at https://www.uptodate.com/contents/risk-factors-for-brain-tumors on February 7, 2020.