PT - JOURNAL ARTICLE ED - , TI - Erratum DP - 1989 Mar 01 TA - American Journal of Neuroradiology PG - 406--406 VI - 10 IP - 2 4099 - http://www.ajnr.org/content/10/2/406.short 4100 - http://www.ajnr.org/content/10/2/406.full SO - Am. J. Neuroradiol.1989 Mar 01; 10