@article{ref1,
title="Characteristics of naval recruits with histories of drug abuse",
journal="Military medicine",
year="1973",
author="Plag, J. A. and Goffman, J. M.",
volume="138",
number="6",
pages="354-359",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}