@article{ref1,
title="Injuries and abnormalities of the cervical spine and return to play criteria",
journal="Clinics in sports medicine",
year="2012",
author="Kepler, Christopher K. and Vaccaro, Alexander R.",
volume="31",
number="3",
pages="499-508",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0278-5919",
doi="10.1016/j.csm.2012.03.005",
url="http://dx.doi.org/10.1016/j.csm.2012.03.005"
}