@article{ref1,
title="Acute psychosis associated with butorphanol",
journal="Journal of neuropsychiatry and clinical neurosciences",
year="1998",
author="Davis, A. and Yudofsky, B. and Quidwai, S.",
volume="10",
number="2",
pages="236-237",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0895-0172",
doi="",
url="http://dx.doi.org/"
}