@article{ref1,
title="The "bad trip"--the etiology of the adverse LSD reaction",
journal="American journal of psychiatry",
year="1968",
author="Ungerleider, J. T. and Fisher, D. D. and Fuller, M. and Caldwell, A.",
volume="124",
number="11",
pages="1483-1490",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}