@article{ref1,
title="Comparative effects in human subjects of three hypnotics and placebo on mental and motor performance",
journal="Archives Internationales de Pharmacodynamie et de Therapie",
year="1968",
author="Kaplan, H. L. and Forney, R. B. and Hughes, F. W. and Richards, A. B.",
volume="174",
number="1",
pages="181-191",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9780",
doi="",
url="http://dx.doi.org/"
}