TY - JOUR T1 - Head and Neck Radiology: A Teaching File JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 1922 LP - 1922 VL - 24 IS - 9 A2 - , Y1 - 2003/10/01 UR - http://www.ajnr.org/content/24/9/1922.abstract N2 - ER -