Saito Tsukasa, Aizawa Hitoshi, Sawada Jun, Katayama Takayuki, Hasebe Naoyuki
Division of Neurology, Department of Internal Medicine, Asahikawa Medical College, Asahikawa, Hokkaido 078-8510, Japan.
Arch Neurol. 2010 Nov;67(11):1403-4. doi: 10.1001/archneurol.2010.285.