@article{ref1,
title="Sporty but safe",
journal="British dental journal",
year="2001",
author="Yeung, C. A.",
volume="190",
number="10",
pages="522-522",
abstract="Abstract uavailable.",
language="",
issn="0007-0610",
doi="10.1038/sj.bdj.4801022a",
url="http://dx.doi.org/10.1038/sj.bdj.4801022a"
}