@article{ref1,
title="Mouthguard protection in sports",
journal="Australian dental journal",
year="1996",
author="Chapman, P. J.",
volume="41",
number="3",
pages="212-212",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0045-0421",
doi="",
url="http://dx.doi.org/"
}