D A Charles

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This study compares the effects of unilateral and bilateral thyroarytenoid muscle injections of botulinum toxin in 50 patients with adductor spasmodic dysphonia. Patients were randomly assigned to two treatment groups of 25 patients each and a group of 15 normal control subjects was also included. Using a standard electromyographic guidance procedure, one(More)
The present study compared the effects of unilateral and bilateral thyroarytenoid injections of botulinum toxin (botox) for the treatment of adductor spasmodic dysphonia. Using electromyographic guidance, 15 patients received unilateral botox injections of 15 units each and 11 patients received bilateral injections of 2.5 units in each site. Acoustic(More)
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