@article{ref1,
title="Prevention of maxillofacial trauma",
journal="British journal of oral and maxillofacial surgery",
year="1992",
author="Shepherd, Jonathan P.",
volume="30",
number="5",
pages="285-286",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0266-4356",
doi="",
url="http://dx.doi.org/"
}