PT - JOURNAL ARTICLE ED - , TI - BOOKS RECEIVED AID - 10.1136/jnnp.31.1.97 DP - 1968 Feb 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 97--98 VI - 31 IP - 1 4099 - http://jnnp.bmj.com/content/31/1/97.short 4100 - http://jnnp.bmj.com/content/31/1/97.full SO - J Neurol Neurosurg Psychiatry1968 Feb 01; 31