@article{ref1,
title="Sports-related concussion--reply",
journal="Australian family physician",
year="2014",
author="Makdissi, Michael",
volume="43",
number="10",
pages="666, 668-666, 668",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0300-8495",
doi="",
url="http://dx.doi.org/"
}