Algahtani, Hussein A., Jafar A. Ashy, and Wail N. Yar. “A Young Patient With Leukemia and New-Onset Headache”. Saudi Journal of Internal Medicine 2, no. 2 (December 31, 2012): 39–44. Accessed January 21, 2022. https://sjim.org.sa/index.php/SJIM/article/view/41.