PT - JOURNAL ARTICLE AU - Ball Jr., William S. TI - Redefining “Normal” DP - 2000 Aug 01 TA - American Journal of Neuroradiology PG - 1182--1183 VI - 21 IP - 7 4099 - http://www.ajnr.org/content/21/7/1182.short 4100 - http://www.ajnr.org/content/21/7/1182.full SO - Am. J. Neuroradiol.2000 Aug 01; 21