PT - JOURNAL ARTICLE AU - D. Fitzpatrick AU - J. Mahajan AU - M. Lewkowitz AU - K. Black AU - A. Setton AU - R. Woldenberg TI - Intradural Hemangiopericytoma of the Lumbar Spine: A Rare Entity AID - 10.3174/ajnr.A1262 DP - 2008 Sep 03 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2008/09/03/ajnr.A1262.short 4100 - http://www.ajnr.org/content/early/2008/09/03/ajnr.A1262.full