title: Speech defects following stereotaxic operations for the relief of tremor and rigidity in parkinsonism.
mesh_terms: D002540:Cerebral Cortex / Q000601:surgery; D003452:Cryosurgery / Q000009:adverse effects*; D004292:Dominance, Cerebral; D006801:Humans; D007049:Iatrogenic Disease; D010300:Parkinson Disease / Q000601:surgery*; D013064:Speech Disorders / Q000209:etiology*; D013238:Stereotaxic Techniques / Q000009:adverse effects*; D013788:Thalamus / Q000601:surgery