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Effects of Botulinum Toxin Injections on Speech in Adductor Spasmodic Dysphonia Neurol 38:1220-1225, Ludlow,C.L.,et al, 1988 See this aricle in Pubmed Article Abstract Adductor spasmodic dysphonia involves an overadduction of the vocal folds during speech causing uncontrolled voice and pitch breaks and slow, effortful speech.The disorder is resistant to speech therapy and often recurs following initial benefit from unilateral recurrent laryngeal nerve resection.Botulinum toxin injections into multiple sites of the thyroarytenoid muscle on one side were performed in 16 patients.Speech was recorded prior to injection and three times post injection.Symptoms were measured by two examiners from speech spectrograms without knowledge of speaker identity or recording session.Significant(p

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(click to filter results - removes previous filter) botulinum toxin dystonia dystonia,focal dystonia,laryngeal dystonia,treatment of spastic dysphonia treatment of neurologic disorder

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