@article{ref1,
title="A survey on the use of mouthguards and associated oral injuries in athletics",
journal="The Iowa dental journal / Iowa State Dental Society",
year="1995",
author="Alexander, Diane and Walker, J. and Floyd, K. and Jakobsen, J.",
volume="81",
number="2",
pages="41, 43-4",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-0498",
doi="",
url="http://dx.doi.org/"
}