@article{ref1,
title="Sports-related concussion",
journal="Journal of the Mississippi State Medical Association",
year="2011",
author="Watts, Steve A.",
volume="52",
number="4",
pages="106-109",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0026-6396",
doi="",
url="http://dx.doi.org/"
}