TY - JOUR T1 - Trials and Tribulations JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 584 LP - 585 DO - 10.3174/ajnr.A2004 VL - 31 IS - 4 AU - H. Cloft Y1 - 2010/04/01 UR - http://www.ajnr.org/content/31/4/584.abstract N2 - ER -