@article{ref1,
title="Recovery of consciousness after head injury",
journal="Chest",
year="2014",
author="Gemma, Marco and Beretta, Luigi and Calvi, Maria Rosa",
volume="145",
number="3",
pages="664-665",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3692",
doi="10.1378/chest.13-2611",
url="http://dx.doi.org/10.1378/chest.13-2611"
}