@article{ref1,
title="Group covert sensitization with narcotic addicts (further comments)",
journal="International journal of the addictions",
year="1974",
author="Steinfeld, G. J. and Rautio, E. A. and Rice, A. H. and Egan, M. J.",
volume="9",
number="3",
pages="447-464",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-773X",
doi="",
url="http://dx.doi.org/"
}