@article{ref1,
title="Headache and suicide. A historical note",
journal="Headache",
year="2013",
author="Maggioni, Ferdinando and Maggioni, Giuseppe and Mainardi, Federico and Zanchin, Giorgio",
volume="53",
number="2",
pages="388-389",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0017-8748",
doi="10.1111/j.1526-4610.2012.02290.x",
url="http://dx.doi.org/10.1111/j.1526-4610.2012.02290.x"
}