@article{ref1,
title="Maxillofacial injuries",
journal="Ugeskrift for Laeger",
year="1977",
author="Larsen, O. D.",
volume="139",
number="4",
pages="191-192",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}