1. Tremor in association with polyneuropathy;Adams;Trans. Am. Neurol. Dis.,1972
2. Adductor spastic dysphonia as a sign of essential voice tremor;Aronson;J. Speech Hear. Disord.,1981
3. Phenobarbital and propranolol in essential tremor: A double blind controlled clinical trial;Baruzzi;Neurology,1983
4. Neuro-psychiatric aspects of spastic dysphonia;Bloch;Folia Phonintr. (Basel),1965
5. Organic voice tremor;Brown;Neurology,1967