Stridor and Focal Laryngeal Dystonia
Lancet 339:457-458, Marion,M.,et al, 1992
Primary Craniocervical Dystonia Presenting as a Respiratory Emergency
Neurol 68:388-389, Papapetropoulos,S.,et al, 2007
Effects of Botulinum Toxin Injections on Speech in Adductor Spasmodic Dysphonia
Neurol 38:1220-1225, Ludlow,C.L.,et al, 1988
Spasmodic Dysphonia
Lancet 2:1192, Gowers,W.R.,et al, 1984