@article{ref1,
title="Sports concussions and traumatic brain injury",
journal="Southern medical journal",
year="2014",
author="Holt, G. Richard",
volume="107",
number="2",
pages="114-114",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0038-4348",
doi="10.1097/SMJ.0000000000000061",
url="http://dx.doi.org/10.1097/SMJ.0000000000000061"
}