@article{ref1,
title="Football injuries in Hawaii 1979",
journal="Hawaii medical journal",
year="1981",
author="Hale, R. W. and Mitchell, W.",
volume="40",
number="7",
pages="180-182",
abstract="<p>[Abstract unavailable]  Keywords: American football  </p> <p>Language: en</p>",
language="en",
issn="0017-8594",
doi="",
url="http://dx.doi.org/"
}