PND41 Parkinson's Disease Questionnaire (PDQ-39) As a Primary Endpoint in a Trial Comparing Deep Brain Stimulation With Best Medical Therapy Versus Best Medical Therapy Alone for Advanced Parkinson's Disease (PD SURG TRIAL)- A Randomised, O ...
Abstract
Authors
C. Jenkinson A. Williams N. Ives C. Rick J. Daniels S. Patel K. Wheatley D. Churchman