RT Journal Article SR Electronic T1 Long term continuous bilateral pallidal stimulation produces stimulation independent relief of cervical dystonia JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 1506 OP 1507 DO 10.1136/jnnp.2003.031104 VO 75 IS 10 A1 S Goto A1 K Yamada YR 2004 UL http://jnnp.bmj.com/content/75/10/1506.abstract AB