PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd TI - ABN Spring Scientific Meeting DP - 2009 Jan 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 97--128 VI - 80 IP - 1 4099 - http://jnnp.bmj.com/content/80/1/97.short 4100 - http://jnnp.bmj.com/content/80/1/97.full SO - J Neurol Neurosurg Psychiatry2009 Jan 01; 80