@article{ref1,
title="Psychedelic drugs, stress, and the ego. The differential diagnosis of psychosis associated with psychotomimetic drug use",
journal="Journal of nervous and mental disease",
year="1973",
author="Glass, G. S.",
volume="156",
number="4",
pages="232-241",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3018",
doi="",
url="http://dx.doi.org/"
}