@article{ref1,
title="Headache symptoms, depression, and suicidal preoccupation",
journal="Perceptual and motor skills",
year="1992",
author="Lester, David and Ferraro, T. M. and Murphy, J. A.",
volume="74",
number="1",
pages="90-90",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}