@article{ref1,
title="Deep-brain stimulation for Parkinson's disease",
journal="New England journal of medicine",
year="2006",
author="Lieb, Klaus and Schlaepfer, Thomas E.",
volume="355",
number="21",
pages="2256; author reply 2256-2256; author reply 2256",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="10.1056/NEJMc062545",
url="http://dx.doi.org/10.1056/NEJMc062545"
}