@article{ref1,
title="Cardiac contusion resulting from "spearing" in football. A case history",
journal="Archives of internal medicine",
year="1966",
author="Rose, K. D. and Stone, F. and Fuenning, S. I. and Williams, Jeffrey",
volume="118",
number="2",
pages="129-131",
abstract="<p>[Abstract unavailable]  Keywords: American football </p> <p>Language: en</p>",
language="en",
issn="0003-9926",
doi="",
url="http://dx.doi.org/"
}