PT - JOURNAL ARTICLE AU - A K Purohit AU - I Dinakar AU - C Sundaram AU - K S Ratnakar TI - MATTERS ARISING AID - 10.1136/jnnp.55.9.861-a DP - 1992 Sep 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 861--861 VI - 55 IP - 9 4099 - http://jnnp.bmj.com/content/55/9/861.2.short 4100 - http://jnnp.bmj.com/content/55/9/861.2.full SO - J Neurol Neurosurg Psychiatry1992 Sep 01; 55