@article{ref1,
title="TMJ injuries from direct trauma",
journal="Practical periodontics and aesthetic dentistry",
year="1997",
author="Brown, C. R.",
volume="9",
number="5",
pages="581-582",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1042-2722",
doi="",
url="http://dx.doi.org/"
}