PT - JOURNAL ARTICLE AU - JMS Pearce TI - MATTERS ARISING AID - 10.1136/jnnp.54.3.284 DP - 1991 Mar 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 284--284 VI - 54 IP - 3 4099 - http://jnnp.bmj.com/content/54/3/284.1.short 4100 - http://jnnp.bmj.com/content/54/3/284.1.full SO - J Neurol Neurosurg Psychiatry1991 Mar 01; 54