@article{ref1,
title="The annual survey of catastrophic football injuries: 1977-1988",
journal="Exercise and sport sciences reviews",
year="1991",
author="Mueller, F. O. and Cantu, Robert C.",
volume="19",
number="",
pages="261-312",
abstract="<p>[Abstract unavailable]  Keywords: American football; </p> <p>Language: en</p>",
language="en",
issn="0091-6331",
doi="",
url="http://dx.doi.org/"
}