PT - JOURNAL ARTICLE AU - Yousem, David M. TI - Reply DP - 1999 Jun 01 TA - American Journal of Neuroradiology PG - 1187--1187 VI - 20 IP - 6 4099 - http://www.ajnr.org/content/20/6/1187.2.short 4100 - http://www.ajnr.org/content/20/6/1187.2.full SO - Am. J. Neuroradiol.1999 Jun 01; 20