RT Journal Article SR Electronic T1 Gray-Scale and Power Doppler Sonography and CT Findings of Myopericytoma of the Posterior Cervical Space JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1535 A1 S.K. Lee A1 S.Y. Kwon YR 2009 UL http://www.ajnr.org/content/early/2009/03/11/ajnr.A1535.abstract AB