@article{ref1,
title="Head computed tomography utilization for concussion patients: role of the aging population",
journal="Academic emergency medicine",
year="2015",
author="de Koning, Myrthe E. and Spikman, Jacoba M. and van der Naalt, Joukje",
volume="23",
number="1",
pages="108-108",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1069-6563",
doi="10.1111/acem.12846",
url="http://dx.doi.org/10.1111/acem.12846"
}