PT - JOURNAL ARTICLE AU - H. Shi AU - S. Wang AU - P. Wang AU - Q. Yu TI - Primary Retropharyngeal Synovial Sarcoma AID - 10.3174/ajnr.A1333 DP - 2008 Oct 14 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2008/10/14/ajnr.A1333.short 4100 - http://www.ajnr.org/content/early/2008/10/14/ajnr.A1333.full