@article{ref1,
title="Effects of benzodiazepines on sleep and wakefulness",
journal="British journal of clinical pharmacology",
year="1981",
author="Roth, T. and Zorick, F. and Sicklesteel, J. and Stepanski, E.",
volume="11",
number="Suppl 1",
pages="31S-35S",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0306-5251",
doi="",
url="http://dx.doi.org/"
}