Matsunaga K, Uozumi T, Qingrui L, Hashimoto T, Tsuji S
Department of Neurology, University of Occupational and Environmental Health, School of Medicine, Yahatanishi-ku, Kitakyushu City, Japan.
Neurology. 2001 Jan 23;56(2):279-80. doi: 10.1212/wnl.56.2.279.