@article{ref1,
title="Risk factors for epilepsy",
journal="Epilepsy research, supplement",
year="1991",
author="Hauser, W. A. and Annegers, J. F.",
volume="4",
number="",
pages="45-52",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0922-9833",
doi="",
url="http://dx.doi.org/"
}