論文（英文）
Matsushima M, Yabe I, Oba K, Sakushima K, Mito Y, Takei A, Houzen H, Tsuzaka K, Yoshida K, Maruo Y, Sasaki H. Comparison of Different Symptom Assessment Scales for Multiple System Atrophy. Cerebellum. 2015 Jun 21.
Matsushima M, Yabe I, Oba K, Sakushima K, Mito Y, Takei A, Houzen H, Tsuzaka K, Yoshida K, Maruo Y, Sasaki H. Comparison of Different Symptom Assessment Scales for Multiple System Atrophy. Cerebellum. 2015 Jun 21.