@article{ref1,
title="Cocaine and crack use",
journal="Military medicine",
year="1990",
author="Koshes, R. J.",
volume="155",
number="10",
pages="A12-A12",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}