RT Journal Article SR Electronic T1 REPLY: JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E81 OP E81 DO 10.3174/ajnr.A5647 VO 39 IS 6 A1 C.E. Al-Haddad A1 M.G. Sebaaly A1 R.N. Tutunji A1 C.J. Mehanna A1 S.R. Saaybi A1 A.M. Khamis A1 R.G. Hourani YR 2018 UL http://www.ajnr.org/content/39/6/E81.abstract AB