title: Failure of long-term pallidal stimulation corrected by subthalamic stimulation in PD.
authors.forename: J
authors.initials: J
authors.lastname: Hammerstad
authors.forename: K
authors.initials: K
authors.lastname: Burchiel
authors.forename: V
authors.initials: V
authors.lastname: Anderson
authors.forename: J
authors.initials: J
authors.lastname: Nutt
mesh_terms: D004558:Electric Stimulation; D005917:Globus Pallidus / Q000473:pathology / Q000503:physiopathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D010300:Parkinson Disease / Q000473:pathology / Q000503:physiopathology* / Q000628:therapy*; D020531:Subthalamic Nucleus / Q000503:physiopathology*; D013997:Time Factors