RT Journal Article SR Electronic T1 Imaging Characteristics of Schwannoma of the Cervical Sympathetic Chain: A Review of 12 Cases JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A2212 A1 Anil, G. A1 Tan, T.Y. YR 2010 UL http://www.ajnr.org/content/early/2010/07/08/ajnr.A2212.abstract AB