PT - JOURNAL ARTICLE AU - T.A. Stark AU - A.M. McKinney AU - C.S. Palmer AU - R.H. Maisel AU - C.L. Truwit TI - Dilation of the Subarachnoid Spaces Surrounding the Cranial Nerves with Petrous Apex Cephaloceles in Usher Syndrome AID - 10.3174/ajnr.A1283 DP - 2008 Oct 22 TA - American Journal of Neuroradiology 4099 - http://www.ajnr.org/content/early/2008/10/22/ajnr.A1283.short 4100 - http://www.ajnr.org/content/early/2008/10/22/ajnr.A1283.full