@article{ref1,
title="Characterizing the psychological state produced by LSD",
journal="Journal of abnormal psychology",
year="1968",
author="Katz, M. M. and Waskow, I. E. and Olsson, J.",
volume="73",
number="1",
pages="1-14",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-843X",
doi="",
url="http://dx.doi.org/"
}