PT - JOURNAL ARTICLE ED - , TI - Neurology AID - 10.1136/jnnp.s1-17.68.333 DP - 1937 Apr 01 TA - The Journal of Neurology and Psychopathology PG - 333--337 VI - s1-17 IP - 68 4099 - http://jnnp.bmj.com/content/s1-17/68/333.short 4100 - http://jnnp.bmj.com/content/s1-17/68/333.full SO - J Neurol Neurosurg Psychiatry1937 Apr 01; s1-17