@article{ref1,
title="Deep brain stimulation for treatment-resistant depression",
journal="American journal of psychiatry",
year="2011",
author="Hirschfeld, Robert M. A.",
volume="168",
number="5",
pages="455-456",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-953X",
doi="10.1176/appi.ajp.2011.11020231",
url="http://dx.doi.org/10.1176/appi.ajp.2011.11020231"
}