RT Journal Article SR Electronic T1 CATATONIA JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 1036 OP 1036 DO 10.1136/jnnp.38.10.1036-a VO 38 IS 10 A1 C. D. Marsden YR 1975 UL http://jnnp.bmj.com/content/38/10/1036.2.abstract AB