@article{ref1,
title="Concepts and classification of craniofacial trauma: biomechanical principles",
journal="Facial plastic surgery",
year="1988",
author="Stanley, R. B.",
volume="5",
number="3",
pages="193-195",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0736-6825",
doi="10.1055/s-2008-1064752",
url="http://dx.doi.org/10.1055/s-2008-1064752"
}