@article{ref1,
title="Dental injuries and the attitudes of rugby players to mouthguards",
journal="British journal of sports medicine",
year="1982",
author="Upson, N.",
volume="16",
number="4",
pages="241-244",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0306-3674",
doi="",
url="http://dx.doi.org/"
}