@article{ref1,
title="Maxillofacial injuries and craniocerebral trauma",
journal="International surgery",
year="1972",
author="Epsteen, C. M. and Speigel, I. J.",
volume="57",
number="4",
pages="315-320",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-8868",
doi="",
url="http://dx.doi.org/"
}