@article{ref1,
title="Methadone doses and psychopathological symptoms during methadone maintenance",
journal="Journal of psychoactive drugs",
year="1993",
author="Maremmani, I. and Zolesi, O. and Agueci, T. and Castrogiovanni, P.",
volume="25",
number="3",
pages="253-256",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0279-1072",
doi="",
url="http://dx.doi.org/"
}