@article{ref1,
title="Understanding the bell-ringing of concussion",
journal="Cleveland Clinic journal of medicine",
year="2017",
author="Mandell, Brian F.",
volume="84",
number="8",
pages="e583-e583",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0891-1150",
doi="10.3949/ccjm.84b.08017",
url="http://dx.doi.org/10.3949/ccjm.84b.08017"
}