@article{ref1,
title="Frequency of hallucinogenic drug use and its implications",
journal="Journal of the American College Health Association",
year="1967",
author="Fisher, D. D.",
volume="16",
number="1",
pages="20-22",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-7944",
doi="",
url="http://dx.doi.org/"
}