RT Journal Article SR Electronic T1 Aspects of the history of Parkinson's disease. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 6 OP 10 DO 10.1136/jnnp.52.Suppl.6 VO 52 IS Suppl A1 J M Pearce YR 1989 UL http://jnnp.bmj.com/content/52/supplement/6.abstract AB