RT Journal Article SR Electronic T1 Reply JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1382 OP 1383 VO 20 IS 7 A1 Melhem, Elias R. YR 1999 UL http://www.ajnr.org/content/20/7/1382.abstract AB