@article{ref1,
title="Mouthguards: preventing sports-related injuries",
journal="Journal of the Michigan Dental Association",
year="2000",
author="DeYoung, A. K.",
volume="82",
number="1",
pages="38-39",
abstract="Abstract unavailable.",
language="",
issn="0026-2102",
doi="",
url="http://dx.doi.org/"
}