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mds21889.mpg12741KSegment 1. Preoperative evaluation for myectomy surgery of a 69 year-old male after bilateral globus pallidus internus deep brain stimulator implantation for blepharospasm and craniocervical dystonia with worsening blepharospasm and associated apraxia of lid opening.Audio is not included on earlyview. Audio is available on full version of video clip on DVD supplement.

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