@article{ref1,
title="Face mask removal in the spine-injured football player: a review",
journal="Emergency medical services",
year="2002",
author="Ellis, David and Ellis, Jessica",
volume="31",
number="10",
pages="175-6, 178",
abstract="<p>[Abstract unavailable]  Keywords: American football; </p> <p>Language: en</p>",
language="en",
issn="0094-6575",
doi="",
url="http://dx.doi.org/"
}