@article{ref1,
title="Field decisions--diagnosis in football",
journal="Maryland state medical journal",
year="1967",
author="Himmelwright, G. O.",
volume="16",
number="10",
pages="50-58",
abstract="<p>[Abstract unavailable]  Keywords: American football;</p> <p>Language: en</p>",
language="en",
issn="0025-4363",
doi="",
url="http://dx.doi.org/"
}