PT - JOURNAL ARTICLE ED - , TI - Differential Diagnosis in Head and Neck Imaging: A Systematic Approach to the Radiologic Evaluation of the Head and Neck Region and the Interpretation of Difficult Cases DP - 2000 Jan 01 TA - American Journal of Neuroradiology PG - 231--232 VI - 21 IP - 1 4099 - http://www.ajnr.org/content/21/1/231.short 4100 - http://www.ajnr.org/content/21/1/231.full SO - Am. J. Neuroradiol.2000 Jan 01; 21