@article{ref1,
title="The problem with football. Our favorite sport is too dangerous. How to make the game safer",
journal="Time",
year="2010",
author="Gregory, S.",
volume="175",
number="5",
pages="36-43",
abstract="<p>[Abstract unavailable]  Keywords: American football; </p> <p>Language: en</p>",
language="en",
issn="0040-781X",
doi="",
url="http://dx.doi.org/"
}