PT  - JOURNAL ARTICLE
ED  - ,
TI  - Correction
AID  - 10.1136/jnnp.50.11.1559
DP  - 1987 Nov 01
TA  - Journal of Neurology, Neurosurgery & Psychiatry
PG  - 1559--1559
VI  - 50
IP  - 11
4099  - http://jnnp.bmj.com/content/50/11/1559.short
4100  - http://jnnp.bmj.com/content/50/11/1559.full
SO  - J Neurol Neurosurg Psychiatry1987 Nov 01; 50