Primary Craniocervical Dystonia Presenting as a Respiratory EmergencyNeurol 68:388-389, Papapetropoulos,S.,et al, 2007
Effects of Botulinum Toxin Injections on Speech in Adductor Spasmodic DysphoniaNeurol 38:1220-1225, Ludlow,C.L.,et al, 1988