PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/jnnp.57.1.126-b DP - 1994 Jan 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 126--126 VI - 57 IP - 1 4099 - http://jnnp.bmj.com/content/57/1/126.3.short 4100 - http://jnnp.bmj.com/content/57/1/126.3.full SO - J Neurol Neurosurg Psychiatry1994 Jan 01; 57