@article{ref1,
title="Football safety. "We must change the way the game is played"",
journal="Journal - Oklahoma State Medical Association",
year="2015",
author="Beller, Jack J.",
volume="108",
number="12",
pages="599-599",
abstract="<p>[Abstract unavailable]  Keywords: American football; </p> <p>Language: en</p>",
language="en",
issn="0030-1876",
doi="",
url="http://dx.doi.org/"
}