TY - JOUR T1 - Fluid-Fluid Level Formation: A Rare Finding of Extracranial Head and Neck Schwannomas JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. DO - 10.3174/ajnr.A1511 AU - H. Kato AU - M. Kanematsu AU - K. Mizuta AU - M. Aoki AU - K. Yamada AU - H. Yamakawa AU - T. Iwama AU - Y. Hirose Y1 - 2009/03/11 UR - http://www.ajnr.org/content/early/2009/03/11/ajnr.A1511.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -