@article{ref1,
title="Zolpidem and triazolam in humans: behavioral effects and abuse liability",
journal="NIDA research monograph",
year="1989",
author="Evans, S. M. and Griffiths, Roland R.",
volume="95",
number="",
pages="431-432",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1046-9516",
doi="",
url="http://dx.doi.org/"
}