@article{ref1,
title="Sleep problems in patients with traumatic brain injury by actigraphy",
journal="Archives of physical medicine and rehabilitation",
year="2015",
author="Kawada, Tomoyuki",
volume="96",
number="9",
pages="1741-1742",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-9993",
doi="10.1016/j.apmr.2015.06.016",
url="http://dx.doi.org/10.1016/j.apmr.2015.06.016"
}