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Botulinum toxin type A therapy for blepharospasm (Cochrane Review) ABSTRACT Background: Blepharospasm is a focal dystonia characterized by chronic intermittent or persistent involuntary eyelid closure due to spasmodic contractions of the orbicularis oculi muscles. Other facial and neck muscles are also frequently involved. Most cases ar . . . |
Full article: The full article is available on Wiley InterScience at http://www.thecochranelibrary.com |