TY - JOUR T1 - Reply JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 235 LP - 235 VL - 21 IS - 1 AU - Joseph Maytal AU - Richard B. Libman Y1 - 2000/01/01 UR - http://www.ajnr.org/content/21/1/235.abstract N2 - ER -