RT Journal Article SR Electronic T1 Electroconvulsive therapy in Parkinson's disease: 30 month follow up. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 693 DO 10.1136/jnnp.60.6.693 VO 60 IS 6 A1 S Pridmore A1 C Pollard YR 1996 UL http://jnnp.bmj.com/content/60/6/693.1.abstract AB