RT Journal Article SR Electronic T1 Relative Decrease in Signal Intensity of Subcortical White Matter in Spontaneous Intracranial Hypotension on Fluid-Attenuated Inversion Recovery Images JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1498 A1 M. Adachi A1 S. Mugikura A1 A. Shibata A1 E. Kawaguchi A1 T. Sato A1 S. Takahashi YR 2009 UL http://www.ajnr.org/content/early/2009/02/26/ajnr.A1498.abstract AB