RT Journal Article SR Electronic T1 THE BRAIN-STEM LESIONS IN PARKINSONISM JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 213 OP 226 DO 10.1136/jnnp.16.4.213 VO 16 IS 4 A1 Greenfield, J. G. A1 Bosanquet, Frances D. YR 1953 UL http://jnnp.bmj.com/content/16/4/213.abstract AB