@article{ref1,
title="Houston MD tackles football injuries",
journal="Texas medicine",
year="1973",
author="Schier, M. J.",
volume="69",
number="1",
pages="106-109",
abstract="<p>[Abstract unavailable]  Keywords: American football </p> <p>Language: en</p>",
language="en",
issn="0040-4470",
doi="",
url="http://dx.doi.org/"
}