?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=W&rft.au=Hamel%2C+W&rft.aulast=Hamel&rft.issn=1878-8750&rft.date=March+2017&rft.pages=41-46&rft.title=World+Neurosurgery&rft.volume=99&rft.atitle=Targeting+of+the+Subthalamic+Nucleus+for+Deep+Brain+Stimulation%3A+A+Survey+Among+Parkinson+Disease+Specialists&rft.genre=article