@article{ref1,
title="Legislative update: concussion legislation",
journal="MD advisor",
year="2018",
author="Bombardieri, Jon",
volume="11",
number="3",
pages="21-24",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1937-0660",
doi="",
url="http://dx.doi.org/"
}