RT Journal Article SR Electronic T1 A Pathogenic mechanisms JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP A1 OP A6 VO 79 IS Suppl 1 YR 2008 UL http://jnnp.bmj.com/content/79/Suppl_1/A1.abstract AB