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MDS_22549_sm_SuppVideo.wmv6725KSupporting Information Video. This video demonstrates a subject with idiopathic Parkinson's disease and levodopa-induced oro-buccal dyskinesia receiving Botulinum toxin injections. Injection into the genioglossus via a superior approach is demonstrated. Injections into the digastric and lateral pterygoid muscles are also performed. A parkinsonian tremor is visible in the subject's right hand.

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