RT Journal Article SR Electronic T1 Diagnostic uncertainty of tumefactive cystic demyelinating lesions JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 176 OP 177 VO 18 IS 2 A1 Almalki, Dhaifallah M. A1 Mudhafar, Osama Y. A1 Alsaman, Abdulaziz S. A1 Mahmoud, Adel A. YR 2013 UL http://nsj.org.sa/content/18/2/176.abstract AB