@article{ref1,
title="Recurrence risk in major depression",
journal="Depression and anxiety",
year="2013",
author="Patten, Scott B.",
volume="30",
number="1",
pages="1-4",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1091-4269",
doi="10.1002/da.22030",
url="http://dx.doi.org/10.1002/da.22030"
}