Disappearance of globus pallidus hyperintensity on T1-weighted MRI after embolizing collateral circulation in a patient with portal-systemic encephalopathy - NAGATO, Takamichi; SEKIYAMA, Tatsuya; MATSUDA, Hiroyuki; KATSUTA, Yasumi; SATOMURA, Katsuaki; ARAMAKI, Takumi; YOSHIDA, Hiroshi; UMEHARA, Matsuomi; TAZIRI, Takashi; ONNDA, Masahiko (Kanzo, 1997)