@article{ref1,
title="Medical aspects of college football",
journal="IMJ Illinois medical journal",
year="1972",
author="Reid, S. E.",
volume="142",
number="3",
pages="191-194",
abstract="<p>[Abstract unavailable]  Keywords: American football </p> <p>Language: en</p>",
language="en",
issn="0019-2120",
doi="",
url="http://dx.doi.org/"
}