@article{ref1,
title="Sports injuries",
journal="Journal of the American Dental Association",
year="2007",
author="Hodgson, E. W. and Hall, S. R.",
volume="138",
number="11",
pages="1420-1420",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-8177",
doi="",
url="http://dx.doi.org/"
}