[文献書誌] Sumiyoshi C, Matsuo K, Kato C, Ozawa F, Takehara Y, Isoda H, Isogai S, Sakahara H, Nakai T.: "Orthography effect on brain activities in the working memory process for phonologically ambiguous syllables : a functional magnetic resonance imaging using Japanesese speakers"Neuroscience Letters. 336. 50-54 (2003)