@article{ref1,
title="An overview of facial injuries",
journal="Surgical cinics of North America",
year="1977",
author="Schultz, R. C. and Oldham, R. J.",
volume="57",
number="5",
pages="987-1010",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0039-6109",
doi="",
url="http://dx.doi.org/"
}