@article{ref1,
title="Attitudes to drug users and to the use of alcohol, tobacco and cannabis on the campus of a provincial university",
journal="Bulletin on narcotics",
year="1975",
author="Hindmarch, I. and Hughes, I. and Einstein, R.",
volume="27",
number="1",
pages="27-36",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-523X",
doi="",
url="http://dx.doi.org/"
}