@article{ref1,
title="Prolonged postconcussive symptoms",
journal="American journal of psychiatry",
year="2018",
author="Quinn, Davin K. and Mayer, Andrew R. and Master, Christina L. and Fann, Jesse R.",
volume="175",
number="2",
pages="103-111",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-953X",
doi="10.1176/appi.ajp.2017.17020235",
url="http://dx.doi.org/10.1176/appi.ajp.2017.17020235"
}