S. Kohyama

Primary Sjögren's syndrome initially manifested by optic neuritis: MRI findings

T. Kaji, A. Tokumaru, S. Kusano, 2002, Neuroradiology.

Magnetic Resonance Imaging Findings of Machado–Joseph Disease: Histopathologic Correlation

Shigeo Murayama, Tatsumi Kaji, Shoichi Kusano, 2003, Journal of computer assisted tomography.