Spasmodic dysphonia | Spastic dysphonia | Laryngeal dystonia | Dysphonia | Phonation Disorders | Phonation Disorder | Organic Tremor Dysphonia | Dysphonia, Organic Tremor | Spastic Dysphonia, Neurologic Adducter | Neurologic Adducter Spastic Dysphonia | Hyperkinetic Dysphonia | Dysphonia, Hyperkinetic | Spastic Dysphonia | Dysphonia, Spastic |