@article{ref1,
title="A group operant approach to drug dependence in the military that failed: retrospect",
journal="Military medicine",
year="1977",
author="Poirier, J. G. and Jones, F. D.",
volume="142",
number="5",
pages="366-369",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}