RT Journal Article SR Electronic T1 Unilateral eyelid retraction JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 390 OP 392 DO 10.1136/jnnp.68.3.390a VO 68 IS 3 A1 B GAYMARD A1 C HUYNH A1 I LAFFONT YR 2000 UL http://jnnp.bmj.com/content/68/3/390.2.abstract AB