@article{ref1,
title="The frequency of facial bone fractures in patients with multiple injuries sustained in traffic accidents",
journal="Proceedings of the Finnish Dental Society supplementum",
year="1975",
author="Oikarinen, V. J. and Lindqvist, C.",
volume="71",
number="2",
pages="53-57",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0355-4651",
doi="",
url="http://dx.doi.org/"
}