Voiceproblem.org: Spasmodic Dysphonia: Highlights
Five-page guide to SD, authored by specialists in the treatment of vocal disorders. Fundamental SD concepts are introduced and details concerning symptoms, diagnosis and treatment are provided.
Spasmodic Dysphonia
Answers to frequently asked SD questions, offered by the National Institute on Deafness and Other Communication Disorders (a division of the National Institutes of Health).
Clinical Trial: Dextromethorphan to Treat Patients with Voice Spasms
A Maryland-based clinical study comparing the effects of dextromethorphan, lorazepam, and placebo in individuals with spasmodic dysphonia, muscular tension dysphonia, or vocal tremor. Background and p...
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