PT - JOURNAL ARTICLE AU - Jordan, John E. ED - for the Expert Panel on Neurologic Imaging TI - Headache DP - 2007 Oct 01 TA - American Journal of Neuroradiology PG - 1824--1826 VI - 28 IP - 9 4099 - http://www.ajnr.org/content/28/9/1824.short 4100 - http://www.ajnr.org/content/28/9/1824.full SO - Am. J. Neuroradiol.2007 Oct 01; 28