RT Journal Article SR Electronic T1 Harlequin syndrome due to superior mediastinal neurinoma. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 744 DO 10.1136/jnnp.54.8.744 VO 54 IS 8 A1 S Noda YR 1991 UL http://jnnp.bmj.com/content/54/8/744.1.abstract AB