Surgery for bilateral Parkinson's disease.
D000328:Adult; D000368:Aged; D005500:Follow-Up Studies; D007839:Functional Laterality; D006801:Humans; D008875:Middle Aged; D009135:Muscular Diseases / Q000601:surgery; D010300:Parkinson Disease / Q000601:surgery*; D011183:Postoperative Complications; D013238:Stereotaxic Techniques; D013788:Thalamus / Q000601:surgery*; D014202:Tremor / Q000601:surgery