@article{ref1,
title="Traumatic brain injury and sleep disturbances",
journal="Journal of clinical sleep medicine",
year="2008",
author="Agrawal, Arpana and Cincu, Rafael and Joharapurkar, S. R.",
volume="4",
number="2",
pages="177; author's reply 178-81",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1550-9389",
doi="",
url="http://dx.doi.org/"
}