Chaudhuri K R, Crump S, al-Sarraj S, Anderson V, Cavanagh J, Leigh P N
University Department of Neurology and Neuropathology, Institute of Psychiatry, Denmark Hill, London, UK.
J Neurol Sci. 1995 May;129 Suppl:11-2. doi: 10.1016/0022-510x(95)00050-c.