論文（英文）
Plasma matrix metalloproteinase-3 correlates with the clinical severity in men with multiple system atrophy
Sasaki H, Matsushima M, Hama Y, Sakushima K, Nakamura M, Yabe I, Oba K, Tanji K, Mori F, Wakabayashi K, Kakita A, Takahashi H, Utsumi J. Plasma matrix metalloproteinase-3 correlates with the clinical severity in men with multiple system atrophy. Neurology and Clinical Neuroscience 2013;1:69-77.