@article{ref1,
title="The college opiate user",
journal="International journal of the addictions",
year="1974",
author="Crowther, B.",
volume="9",
number="2",
pages="241-253",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-773X",
doi="",
url="http://dx.doi.org/"
}